Practice Test


Q1) Which of the following is a biodegradable pollutant? Show Answer


Q2) Atmosphere of big/metropolitan cities is polluted most by Show Answer


Q3) Photochemical smog is formed in Show Answer


Q4) Which of the following is a sink for CO? Show Answer


Q5) Ozone hole refers to Show Answer


Q6) Fish die in water bodies polluted by sewage due to Show Answer


Q7) Addition of phosphate fertilizers into water leads to Show Answer


Q8) By green chemistry we mean Show Answer


Q9) Negative soil pollution is Show Answer


Q10) Poisonous gas present in the exhaust fumes of car is Show Answer


Q11) The green house effect is caused by Show Answer


Q12) Surface water contains Show Answer


Q13) Ozone is formed in the upper atmosphere from oxygen by the action of Show Answer


Q14) Which one of the following regions of atmosphere contains ozone? Show Answer


Q15) Increased asthmatic attacks in certain seasons are related to Show Answer


Q16) Cyclone collector is used for minimizing Show Answer


Q17) Which of the following statement is false? Show Answer


Q18) Eutrophication causes reduction in Show Answer


Q19) Ozone hole is maximum over Show Answer


Q20) The region which is greatly affected by air pollution is Show Answer


Q21) Which of the statement is false? Show Answer


Q22) Which of the following is not regarded as a pollutant? Show Answer


Q23) The brown, hazy fumes of photochemical smog are due to Show Answer


Q24) Which of the following statement is false? Show Answer


Q25) BOD is connected with Show Answer


Q26) Which of the following is not a part of green chemistry? Show Answer


Q27) Carbon monoxide is harmful to human beings as it Show Answer


Q28) Which of the following is responsible for depletion of the ozone layer in the upper strata of the atmosphere? Show Answer


Q29) In Antarctica, ozone depletion is due to the formation of following compound? Show Answer


Q30) Ozone in stratosphere is depleted by Show Answer


Q31) Photochemical smog is caused by Show Answer


Q32) DDT is Show Answer


Q33) The major air pollutant is Show Answer


Q34) The development that meets the needs of the present without compromising the ability of future generations to meet their own need is known as _____________. Show Answer


Q35) Which of the following is Ï’-isomer of BHC? Show Answer


Q36) The prefix 'nano' comes from ____________. Show Answer


Q37) Which of the following information is given by the FTIR technique? Show Answer


Q38) The concept of green chemistry was coined by ________. Show Answer


Q39) The main reason to adapt green chemistry is ___ . Show Answer


Q40) Number of principles Paul Anastas enunciated in 1944 are Show Answer


Q41) Green chemistry is Show Answer


Q42) The development that meets the need of the society without comprising the ability to future generations to meet their own need is called ___. Show Answer


Q43) The sustainable development can be achieved by Show Answer


Q44) Industrial effluents release many toxic materials in Show Answer


Q45) Manure is prepared by Show Answer


Q46) Chemical products and processes that reduce generation of hazardous substances, comes under Show Answer


Q47) When most of the reactants atoms produces the desired products and only small amount of unwanted by products, then the process comes under Show Answer


Q48) The goals of green chemistry include Show Answer


Q49) Conventional method of bleaching the paper is Show Answer


Q50) While carrying out any chemical reaction topmost priority is given to Show Answer


Q51) The challenge for chemists and chemical engineers to review the design of new products and processes is mainly due to Show Answer


Q52) Good atom economy means Show Answer


Q53) One of the goals of green chemistry is Show Answer


Q54) ZWT is Show Answer


Q55) DDT is Show Answer


Q56) The insecticide used in preference to DDT is Show Answer


Q57) Gammexane is Show Answer


Q58) The safe benign solvent of the following is Show Answer


Q59) Which of the following can be used as a solvent instead of volatile organic solvent ? Show Answer


Q60) The best method to improve the process is Show Answer


Q61) To obtain maximum energy efficiency ___. Show Answer


Q62) The renewable resource from the following is ___. Show Answer


Q63) In many organic synthesis the number of steps can be minimised by ___. Show Answer


Q64) Zigler Natta is used for preparation of ___. Show Answer


Q65) Which of the following is known as "Zigler Natta"? Show Answer


Q66) Over-exploitation of non-renewable stocks will ___. Show Answer


Q67) Hardening of oil is carried out in present of ___. Show Answer


Q68) PETE can be recycled to make ___. Show Answer


Q69) Light switch plates can be made by recycling of ___. Show Answer


Q70) Recycled HDPE can be used to make ___. Show Answer


Q71) The chemicals to be used should be ___. Show Answer


Q72) Analytical methods to monitor the process and control the formation of hazardous substance during the process is ___. Show Answer


Q73) The possibility of accidents during process is Show Answer


Q74) Which of the following is NOT the role of green chemistry ? Show Answer


Q75) 10 nm is Show Answer


Q76) Size of a virus is in the range of ___. Show Answer


Q77) The properties which does NOT change with the size are ___. Show Answer


Q78) The technology dealing with design, product and application by controlling shape and size at nanometer scale is ___. Show Answer


Q79) The nanoparticles are Show Answer


Q80) Nanowires are examples of ___. Show Answer


Q81) The combination of chemistry and nanoscience is ___. Show Answer


Q82) Colloidal dispersion has size of particles in the range of ___. Show Answer


Q83) The colour of nanosize gold particle in the solution is ___. Show Answer


Q84) The nanosize particles are characterised by Show Answer


Q85) The nanosize particles are good catalyst because of Show Answer


Q86) Hydrogenation reactions are carried in presence of Show Answer


Q87) The mechanical strength of nanoparticles Show Answer


Q88) Carbon nanotube act as Show Answer


Q89) Which of the following is a semi conductor ? Show Answer


Q90) Among the following which is photocatalyst ? Show Answer


Q91) The nanoparticles can be synthesised by Show Answer


Q92) In top-down approach to synthesize the nanoparticles, the larger size particles are ___. Show Answer


Q93) A sol-gel process is based on ___. Show Answer


Q94) Which of the following is NOT the step involved in sol-gel process ? Show Answer


Q95) A sol-gel process involves ___. Show Answer


Q96) The reaction involved in sol-gel process is Show Answer


Q97) Removal of water and other volatile liquid from gel network is called __. Show Answer


Q98) The formation of gel by polycondensation reaction is called ___. Show Answer


Q99) The period during which gel transforms into a solid mass is called ___. Show Answer


Q100) The X-ray diffractometer is used to determine Show Answer


Q101) The confirmation of formation of nanoparticles is done by Show Answer


Q102) The geometry of nanomaterial is determined by __. Show Answer


Q103) The ruby red colour in ancient glass painting is due to Show Answer


Q104) Which of the following is used to increase the life of car tyres ? Show Answer


Q105) A nanostructural material used as a component of silicon rubber, coating and adhesives is ___. Show Answer


Q106) The cost effective water filter materials are coated with ___. Show Answer


Q107) Silver nanoparticles ___. Show Answer


Q108) Lotus effect is due to Show Answer


Q109) Nanoparticles does not contribute to ___. Show Answer


Q110) Nanotechnology will make ___. Show Answer


Q111) Manufacturing smart drug involves ___. Show Answer


Q112) Curing of life threatening disease like cancer and diabetes is made effective by Show Answer


Q113) The air pollution caused by nanotechnology is known as Show Answer


Q114) Nanoparticles can cause ___. Show Answer


Q115) The deposition of nanoparticles in lungs in due to Show Answer