IIT JEE Questions And Answers :: Atoms Molecules And Chemical Arithmetic: part2



IIT JEE : Atoms Molecules And Chemical Arithmetic QUESTIONS AND ANSWERS :: part2 : 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.The volume of oxygen required for complete combustion of 20 ml of ethane is

30 ml
60 ml
40 ml
50 ml.

2.Sodium carbonate crystals lose water molecules on exposure to atmosphere. The related property is called

Deliquescence
Fluorescence
Efflorescence
Luminescence.

3.The number of moles of oxygen in one litre of air (21% oxygen by volume) at S.T.P. would be

0.186 mol
0.21 mol
2.10 mol
0.0093 mol.

4.4 g of hydrogen is ignited with 4 g of oxygen, the amount of water Formed is

2.5 g
0.5 g
4.5 g
8 g.

5.The molality of a solution containing 5 g of sodium hydroxide in 250 g of solution

0.5 m
1.0 m
2.0 m
0.1 m.

More Atoms Molecules And Chemical Arithmetic QUESTIONS AND ANSWERS available in next pages

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