Practice Test


Q1) 0.1 g of a metal gave on reaction with acid at S.T.P. 34.2 ml hydrogen gas. The equivalent weight of the metal is : Show Answer


Q2) 0.5 g of a metal on oxidation gave 0.79 g of its oxide. The equivalent weight of the metal is Show Answer


Q3) 74.5 g of a metallic chloride contains 35.5 g of chlorine. The equivalent weight of the metal is Show Answer


Q4) The chloride of a metal (M) contains 65.5 % of chlorine. 100 ml of the vapour of the chloride of the metal at S.T.P. weigh 0.72 g. The molecular formula of the metal chloride is Show Answer


Q5) The sulphate of an element contains 42.2 % element. The equivalent weight would be : Show Answer


Q6) The equivalent weight of an element is 4. Its chloride has a vapour density 59.25. Then the valency of the element is Show Answer


Q7) Approximate atomic weight of an element is 29.89, If its eq. wt. is 8.9, the atomic wt. is : Show Answer


Q8) The weight of two elements which combine with one another are in the ratio of their Show Answer


Q9) 1.520 g of the hydroxide of a metal on ignition gave 0.995 g of oxide. The equivalent weight of metal is Show Answer


Q10) The oxide of a metal has 32% oxygen. its equivalent weight would be Show Answer


Q11) 74.5 g of a metallic chloride contain 35.5 g of chloride. The equivalent weight of the metal is Show Answer


Q12) The equivalent weight of an element is 4. Its chloride has 59.25 as its vapour density. Then the valency of the element is Show Answer


Q13) If the equivalent weight of a trivalent metal is 32.7, the molecular weight of its chloride is Show Answer


Q14) Equivalent weight of crystalline oxalic acid is Show Answer


Q15) 0.84 g of a metal hydride contains 0.042 g of hydrogen. Its equivalent weight is Show Answer


Q16) A metallic oxide contains 60 % of the metal. The equivalent weight of the metal is Show Answer


Q17) When a metal is burnt, its weight is increased by 24 percent. The equivalent weight of the metal will be Show Answer


Q18) The specific heat of a metal is 0.11 and its equivalent weight is 18.61. its exact atomic weight is Show Answer


Q19) The vapour density of a chloride of a metal is 95 and the specific heat of the metal is 0.13. The equivalent weight of the metal will be approximately Show Answer


Q20) 0.84 g carbonate of a metal M gave on heating 0.40 g metal oxide. The specific heat of the metal is 0.25. The atomic weight of the metal would be : Show Answer


Q21) 1.5 g of a divalent metal displaced 4 g of copper (at wt. = 64) from a solution of copper sulphate. The atomic weight of the metal is Show Answer


Q22) 12 g of an alkaline earth metal gave 14.8 g of its nitride. Atomic weight of that metal is Show Answer


Q23) 3 g of an oxide of a metal is converted to chloride completely and it yielded 5 g of chloride. The equivalent weight of the metal is Show Answer


Q24) Equivalent weight is expressed in Show Answer


Q25) Chlorine occurs in nature in the form of two isotopes with atomic mass 35 and 37 in the ratio of 3:1 respectively. The average atomic mass of chlorine is Show Answer


Q26) The statement which is wrong about gram atomic mass is Show Answer


Q27) The mass of an atom of nitrogen is Show Answer


Q28) 1 u is equal to Show Answer


Q29) The number of sulphur atoms in its 40 g is Show Answer


Q30) The mass of a molecule of water is Show Answer


Q31) How many moles of electrons weight one kilogram ? Show Answer


Q32) 74 g of a metallic chloride contains 35.5 g of chlorine. The equivalent weight of the metal is Show Answer


Q33) Approximate atomic weight of a metal is 26.89. If its equivalent weight is 8.9 its exact atomic weight will Show Answer


Q34) Equivalent weight of crystalline oxalic acid is Show Answer


Q35) Atomic weight of a trivalent element of equivalent weight 9 is Show Answer


Q36) Equivalent weight of a metal is 29.4. It forms metal sulphate isomor[hous with epsom salt. The atomic weight of the metal is Show Answer


Q37) Equivalent weight of nitrogen varies in its oxides, because it Show Answer


Q38) Which one among the following is the equivalent weight of sulphuric acid ?
[Atomic weight : H=1, S=32, O=16] Show Answer