Practice Test


Q1) The branch of chemistry which deals with study of physical properties and conditions is Show Answer


Q2) The branch of chemistry which deals with study of the methods of detection and determination of elements and compounds is Show Answer


Q3) The commonly-used medicine for typhoid is Show Answer


Q4) Excess of phosphate and nitrate from fertilizers can contaminate water in ponds and lakes by Show Answer


Q5) Water pollution is caused by Show Answer


Q6) the type of pollution caused by spraying of DDT Show Answer


Q7) Which of the following drug will behave like analgesics as well as antipyretic? Show Answer


Q8) Which substance can acts like antiseptic as well as disinfectant ? Show Answer


Q9) The best way of sterlising a hypodermic syringe for injecting medicine is by Show Answer


Q10) Commonly used antiseptic"Dettol" is a mixture of Show Answer


Q11) Which one of the following can possible be used as analgesic with out causing addiction and mood modification ? Show Answer


Q12) 2-Acetoxybenzoic acid is called Show Answer


Q13) Aspirin is a/an Show Answer


Q14) Which of the following is used inducing sleep?
Show Answer


Q15) Tc99m-DTPA (diethylentriaminepenta -acetic acid) is used for Show Answer


Q16) Tranquilizers are substances used for the treatment of Show Answer


Q17) Streptomycin. a well known antibiotic, is a derivative of Show Answer


Q18) Which of the following is not true? Show Answer


Q19) Which of the following is used as a preservative to protect processed food? Show Answer


Q20) The half-life of radio pharmaceuticals should be Show Answer


Q21) Which of the following statements , is not correct, about glass? Show Answer


Q22) One of the properties of glass is its transparency. this property of glass is due to Show Answer


Q23) In curing cement plasters water is sprinkled from time to time. This helps in Show Answer


Q24) Which component of cement sets at the slowest rate ? Show Answer


Q25) Which is not true about polymers? Show Answer


Q26) A condensation polymer among the following is Show Answer


Q27) An example of bio polymer is Show Answer


Q28) Alizarin is Show Answer


Q29) Direct dyes can be applied on Show Answer


Q30) Which of the following is a basic dye ? Show Answer


Q31) Diazo coupling is useful to prepare Show Answer


Q32) Which of the following is an azo dye Show Answer


Q33) Alizarin belongs to the class of Show Answer


Q34) The branch of chemistry that deals with living systems is known as Show Answer


Q35) When a nutrient like fertilizer is present in large quantities in a water bodies , plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called Show Answer


Q36) The bactericial and bacteriostat antibiotics respectively are Show Answer


Q37) Among the following sweetner which one has the lowest sweetness value? Show Answer


Q38) The maximum concentration of alcohol that does not impair faculties of the human body is Show Answer


Q39) Cement , the important building material is a mixture of oxides of several elements. Besides calcium, iron and sulphur, oxides of elements of which of the group (s) are present in the mixture? Show Answer


Q40) On the basis of mode of formation, polymers can be classified? Show Answer


Q41) Polymer formation from monomers starts by Show Answer


Q42) Which one of the following statements is not true? Show Answer


Q43) Polymer used in bullet proof glass is Show Answer


Q44) Ordinary glass is : Show Answer


Q45) Soft drinks and baby feeding bottles are generally made up of Show Answer


Q46) Glass reacts with HF to produce Show Answer


Q47) Cobalt (60) isotope is used in the treatment of : Show Answer


Q48) Which of the following is not true? Show Answer


Q49) which of the following is an antidiabetic drug Show Answer


Q50) Select the nitrogenous fertilizers.
1) urea
2) nitrolim
3) ammonium nitrate
4) potassium nitrate Show Answer


Q51) Secondary fertilizers
1)are a class of N,P, K fertilizers
2) are micro-nutrients required in very minute quantity by plants
3) supply some micro-nutrient to the soil.
4) All of the above are correct. Show Answer


Q52) Which of the following are primary nutrient supplying fertilizer?
1) Ammonium sulphate
2) Potassium sulphate
3) Calcium carbonate
4) Urea
Show Answer


Q53) The other names of gammaxene are :
1) gamma-hexachloro cylochexane
2) lindane
3) aldrin

Out of the three names, Show Answer


Q54) Aspirin is an example of
1) analgesic
2) antifertility drug
3) antipyretics drug
4) tranquilizers Show Answer


Q55) People drinking water from a shallow handpump are likely to suffer from the diseases
1) cholera
2) typhoid
3) jaundice
4) flourosis
The correct answer is : Show Answer


Q56) Which of the following statement are correct?
1) For treatment of thyroid cancer we use 1-131.
2) For treatment of cancer Co-59 is used
3) For treatment of leukema P-33 is common;y used
4) The excessive use of radio therapy may be harmful and may cause cancer
Show Answer


Q57) which of the following can be used as artificial sweetner(s) ?
1) Aspartame
2) Alitame
3) Sucralose
4) Saccharin
Show Answer


Q58) Which of the following pair(s) is/are bacteriostatic antibiotics?
1) Penicillin, tetracycline
2) Erythromycin, chloramphenicol
3) Ofloxacin, aminoglycosides
4) Tetracycline, chloramphenicol
Show Answer


Q59) In the manufacture of lead glass
1) oxide of lead is added to ordinary glass
2) oxide of lead increases the density of glass
3) oxide of lead increases the refractive index of glass
4) oxide of lead decreases the refractive index of glass Show Answer


Q60) On the basis of mode of formation , polymers can be classified
1) as addition polymers
2) as condensation polymers
3) as co-polymers
4) as synthetic polymers Show Answer


Q61) Which of the following have affinity to dye nylons?
1) Basic dye
2) Ingrain dye
3) Direct dye
4) Disperse dye
Show Answer


Q62) In organic chemistry we study about
1) carbohydrates
2) fertilizers
3) proteins
4) ceramics
Show Answer


Q63) Which of the following are examples of addition polymers?
1) Polystyrene
2) Nylon
3) PVC
4) polypropylene

Show Answer


Q64) Consider the following statements
1) use of fertilizers has role on water pollution
2) Excessive use of pesticides help to decrease water pollution
Which of these statements (s) above is/are correct?
Show Answer


Q65) Which of the following elements are contained in the fertilizer super-phosphate?
1) Phosphorus
2) Hydrogen
3) Nitrogen
4) Calcium
Select the correct answer using the codes given below:
Show Answer


Q66) Consider the following statements:
1) Among the nitrogenous fertilizers used, urea contains maximum percentage of N.
2) the maximum of calcium sulphate and calcium dihydrogen phosphate is known as superphophate of lime.
3) Potassium magnesium sulphate is called the muriate of potash.
Which of the statements given above are correct? Show Answer


Q67) which of the following is a biological method of pest control in a field?
Show Answer


Q68) Among the following statements,
1) Minamata disease is caused by mercury
2) Carbon monoxide is corcinogenic, so it is harmful to human beings.
3) Sewage waste is non-biodegrade pollutant.
Select the incorrect ones
Show Answer


Q69) Assertion : Nitrolim is a nitrogenous fertilizer,
Reason : Nitrolim is a mixture of ammonium cyanide and carbon.
Show Answer


Q70) Assertion : Aspirin can cause ulcer in the stomach.
Reason : The ester group in aspirin gets hydrolysed to acid group in the stomach where the pH is 2
Show Answer


Q71) Assertion : Tetracycline is bacteriostatic.
Reason : It inhabits the growth of organisms.
Show Answer


Q72) Assertion : Saccharin is an artificial sweetner,
Reason : It has a high calorific value Show Answer


Q73) Assertion : Glass is not a solid.
Reason : Its molecules are randomly arranged. Show Answer


Q74) Which of the following is not correctly matched? Show Answer


Q75) Consider the following statements
1) Soaps are anionic surfactants.
2) Detergents may be cationic, anionic or non-ionic.
The correct statement(s) is/are Show Answer


Q76) Dye that cannot be used for celluose fibres is Show Answer


Q77) Consider the following statements
1) Detergents are non-biodegradable,
2) Water gas is carbon monoxide + hydrogen
3) LPG contains mainly butane.
4) CNG contains mainly methane
Correct statements is/are Show Answer


Q78) Which one of the following fuels causes minimum environmental pollution ? Show Answer


Q79) Consider the following
1) Oxides of hydrogen
2) oxides of nitrogen
3) Oxides of sulphur
Which of the above cause/causes acid ran ? Show Answer


Q80) Assertion (A) Coal based thermal power station contribute to acid rain.
Reason (R) Oxides of carbon are emitted when coal burns
Show Answer


Q81) Which one of the following is produced during the formation of photochemical smog ? Show Answer


Q82) Which of the following can be found as pollutants in the drinking water in some parts of India ?
1) Arsenic
2) Sorbitol
3) Fluoride
4) Formaldehyde
5) Uranium
Select the correct answer using the codes given below Show Answer


Q83) Due to improper/indiscriminate disposal of old and used computers or their parts, which of the
following are released into the environment as e-waste ?
1) Beryllium 2) Cadmium
3) Chromium 4) heptachlor
5) Mercury 6) Lead
7) Plutonium
Select the correct answer using the codes given below Show Answer


Q84) What is the role of ultrviolent (UV) radiation in the water purificaton systems ?
1) It inactivated/kills the harmful microorganism in water.
2) It remove all the undesirable odours from the water.
3) It quickness the sedimentation of soild particles, removes turbidity and improves the clarity of
water
Select the correct answer using the codes given below Show Answer


Q85) A team of scientist at Brookhaven National laboratory including those from India created the heavies
anti-matter (anti-helium nucleus what is/are the implications of the creation anti-matter) ?
1) It will make mineral prospecting and oil exploration easier and cheaper
2) It will help probe the possible of the existence of stars a galaxies made of anti-matter
3) It will help understand evolution of the universe.
Select the correct answer using codes given below Show Answer


Q86) The water kept in a pitcher becomes cool. This is due to Show Answer


Q87) When ice melts, its Show Answer


Q88) The method that cannot be used for removing permanent hardness of water is Show Answer


Q89) Heavy water Show Answer


Q90) Which of the following statements is incorrect for soap ? Show Answer


Q91) Consider the following statements
1) Cathode rays are negatively charged and anode rays are positively charged.
2) Cathode rays are originated from cathode and anode rays from anode.
3) The velocity of cathode rays is higher than that of anode rays.
The correct statement(s) is/are Show Answer


Q92) Many communities put salt on their roads after a snow fall, why ? Show Answer


Q93) The catalyst used to convert sucrose into vinegar is Show Answer


Q94) Filament of electric bulb is made up of Show Answer


Q95) Consider the following statements
1) The main constituent of tea and coffee, i.e, caffine is diuretic.
2) Citric acid is used in soft drinks.
3) Citric acid is essential for the formation of teeths and bones.
4) Citric acid is a good alternative of ascorbic acid in our food.
Which of the statements given above are correct ? Show Answer


Q96) When soft water passes through rocks, it became hard due to the presence of Show Answer


Q97) Water for domestic use is purified by Show Answer


Q98) Which of the following is not a colloid ? Show Answer


Q99) Which of these is not an explosive ? Show Answer


Q100) The source of energy of stars is
1) nuclear fusion
2) gravitational compression
3) chemical reaction
4) nuclear fission
The correct answer is Show Answer


Q101) Consider the following statements
1) When evaporation takes place, cooling takes places.
2) Evaporation takes place at all temperature, boiling takes only at the boiling point.
3) Evaporation is a surface phenomenon.
Which of the above is/are true ? Show Answer


Q102) Consider the following statements
1) Particles of matter are continuously moving
2) As the temperature rises, particles move faster.
3) With increase in temperature the kinetic energy of particles also increases
Which of the statements given above are correct ? Show Answer


Q103) Consider the following statements
1) The rate of diffusion of liquids is higher that that of solids.
2) In the liquid state, particle moves freely and have greater space between each other as compared to particles in the solid state
Which of the statements given above is/are correct ? Show Answer


Q104) Consider the following statements.
1) Atmospheric pressure is less at the top of a mountain that at sea level.
2) Gases are much more compressible than solids or liquids.
3) When the atmospheric pressure increases, the height of the mercury column rises.
Select the correct statements. Show Answer


Q105) Consider the following statements
1) The particles of nail polish remover pour on your palm or surrounding and evaporate causing the palm to feel cool.
2) After a hot sunny day, people sprinkle water on the roof or in open ground because the large latent heat of vaporisation of water helps to cool the hot surface
Which of the statement(s) given above is/are correct Show Answer


Q106) Select the correct statement based on Rutherford's model Show Answer


Q107) In an X-ray tube, a potential difference of several thousand volts accelerates electrons which then hit the target and X-rays are emitted Why are the X-rays emitted ? Show Answer


Q108) Surface tension of a liquid decreases with
1) increases in temperature of the liquid
2) mixing of detergent in the liquid
3) decrease in temperature
Which of the statements given above is/are correct ? Show Answer


Q109) On the labels of the bottes, some soft drinks are claimed to be acidity regulators. They regulate acidity using Show Answer


Q110) When blood cells are placed in a solution of KCL whose osmotic pressure of KCI whose than that of the cell fluid, there occurs Show Answer


Q111) Blood has been found isotonic with Show Answer


Q112) Artificial rain is caused by spraying Show Answer


Q113) Muddy water is purified by adding alum due to Show Answer


Q114) Farmers are requested to mix lime with soil while farming their fields. This is because Show Answer


Q115) TEL minimise the knowing effect when mixed with period, it act as Show Answer


Q116) A catalyst used in the hydrogenation of oils is Show Answer


Q117) Consider the following statements about biocatalysts.
1) Biocatalysts are enzymes.
2) All proteins are biocatlysts.
3) Biocatalysts are minerals.
Which of the statement(s) given above is/are correct ? Show Answer


Q118) The order of apperance of the following with increasing temperature during the refining of crude oil
is Show Answer


Q119) A fan produces a feelings of comfort during hot weather, because Show Answer


Q120) Consider the following statements. Roasting is carried out to
1) Convert sulphide to oxide and sulphate.
2) remove water of hydration.
3) melt the ore.
4) remove arsenic and sulphur impurities
Of these statements Show Answer


Q121) In a hydrogen-oxygen fuel cell, combustion of hydrogen occurs to Show Answer


Q122) Assertion (A) Superphosphate of lime can be assimilated by plants.
Reason (R) Superhosphate of lime is soluble in water Show Answer


Q123) Assertion (A) To dilute sulphuric acid, acid is added to water and not water to acid.
Reason (R) Specific heat of water is quite large. Show Answer


Q124) When items or jewellery made of metals such as copper or nickel are placed in a solution having a salt of gold a thin film of gold is deposited by Show Answer


Q125) The polymeric fibres used as a substitute for wool in making synthetic blankets, sweaters wtc is Show Answer


Q126) Assertion (A) Methane is one of the major GHGs.
Reason (R) Methane has more potential for global warming than carbon dioxide. Show Answer


Q127) In the context of global oil prices 'Brent crude oil' is frequently in the news. What does this term imply ?
1) It is a major classification of crude oil.
2) It is sourced from North sea.
3) It does not contain sulphur.
Which of the statement(s) given above is/are correctly ? Show Answer


Q128) In the heavy vehicles, diesel is used as fuel because
Show Answer


Q129) To prevent from knocking the substance employed in the car engine Show Answer


Q130) Consider the following statements about acetylene
1) It is used welding industry.
2) It is a raw material for preparing plastics.
3) It is easily, obtained by mixing silicon carbide and water
Of these statements
Show Answer


Q131) Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source if antioxidation. How do antioxidation helps a person to maintain health and promote longevity ? Show Answer


Q132) Which one of the following polymers is widely used for making bulletproof material ? Show Answer


Q133) Refrigeration helps in food preservation by Show Answer


Q134) The explosive nitroglycerine is a Show Answer


Q135) The natural rubber is a polymer of Show Answer


Q136) Study the following statements
1) Litmus solution is a purple dye which is extracted from lichenand is commonly used as an indicator
2) Red cabbege leaves, turmeric, coloured petals of some flowers indicate the presence of acid or base in a solution.
3) Some substance whose odour changes in acidic or basic medium are called olfactory indicators
Which of the statements given above are correct ? Show Answer


Q137) Glasses and plastics are Show Answer


Q138) As which one of the following does carbon occurs in its purest form in nature ? Show Answer


Q139) Which of the following colloidal solution is commonly used as germ killer ? Show Answer


Q140) Consider the following statements
1) Liquified Natural Gas (LNG) is liquified under extremly cold temperatures and high pressure to facilitate storage of transportation in specially designed vessels.
2) First LNG terminal in India was built in Hassan.
3) natural Gas Liquids (NGL) are seperated from LPG and these include ethane, propane, butane are natural gasoline.
Which of the statements given above is/are correct ? Show Answer


Q141) Which of the following pair is a correctly matched ? Show Answer


Q142) Select the incorrect match:
a) Silk - polyamide
b) indigo - Azo dye
c) Lipase - Enzyme
d) Keratin - Protein Show Answer


Q143) Consider the following statements about acetylene.
1. It is used in welding industry
2. It is a raw material for preparing plastics
3. It is easily obtained by mixing silicon carbide and water.
Of these statements Show Answer


Q144) Active Chemical to remove mosquittos is- Show Answer


Q145) Which of the following is used as a mosquito repellent ? Show Answer


Q146) Pyrethrin used in mosquito coil is obtained from Show Answer


Q147) Which chemical substance is used for making rat poison? Show Answer


Q148) Which one of the following is used as rat poison ? Show Answer


Q149) Rodenticide is that chemical which is used to control
Show Answer


Q150) A pungent smell often present near the urinals is due to Show Answer


Q151) What is the approximate Nitrogen percentage present in the Atmosphere? Show Answer


Q152) Which gas is mixed with oxygen for respiration by divers in deep sea? Show Answer


Q153) A polymer used for making nonostick surface coating for utensils is Show Answer


Q154) What gas is filled at low pressure in a tube light? Show Answer


Q155) The hypo solution used in Photography is the aqueous solution of Show Answer


Q156) Pasteurization is a process by which Show Answer


Q157) These days yellow lamps are frequenty used as street light. Which one of the following is used in these lamps: Show Answer


Q158) Sodium Vapour Lamp is usually used as street light, because Show Answer


Q159) The most commonly used substance in fluorescent tubes are Show Answer


Q160) Out of the following which is not an alloy? Show Answer