IIT JEE : Atoms Molecules And Chemical Arithmetic QUESTIONS AND ANSWERS :: part1 : 1 to 5
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
1.If atomic mass of oxygen were taken as 100, the molecular mass of water would be Approximately |
6.25 |
112.5 |
102 |
106.25. |
2.Among the pairs of compounds given below which pair contains compounds with different percentage of carbon? |
propene and propane |
butane and isobutene |
acetylene and benzene |
propene, cyclopropane. |
3.The balancing of chemical equation is based upon |
Law of combining volumes |
Law of multiple proportions |
Law of conservation of mass |
Law of definite proportion. |
4.If specific heat of certain element is 0.064. Its approximate atomic mass is |
100 |
10 |
20 |
200 |
5.The compound AB contains elements A and B in the ratio of 1:35.5 by mass. The mass of B that will be required to react with 2 g of A is |
7.1 g |
3.55 g |
71 g |
35.5 g. |
More Atoms Molecules And Chemical Arithmetic QUESTIONS AND ANSWERS available in next pages
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