Question

) The gas which will be a better fuel in the incoming future _

a) oxygen b) hydrogen

c) hydrogen sulphide d) carbon dioxide

(ii) Half of molecular mass is called _

a) vapour pressure b) vapour density

c) vapour phase d) none of these



(iii) Halogens belong to_

a) Group 16 b) Group 17

c) Group IA d) Group 15

(iv)Which of the following compound is Ionic in nature?

a) CaCl2 b) CH4

c) NH3 d) Cl2

(v) Acidity of the Caustic soda is_

a) 4 b) 3

c) 2 d) 1

​

Answer 1

Answer:

1. D. carbon dioxide..

2. none of these.

3. Group IA.

4. CACL2.

5. 2.

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