I. Choose the correct answer :- 6. The gas that diffuse easily is ______________________ ( ) A) NH3 B) CH4 C) O2 D) H2
7. Among the following Non – Sublimate substance is _______ ( ) A) Coconut oil B) Iodine C) Napthalene balls D) Camphor
8 Inter molecular forces of attraction are least effective in ( ) A) Solids B) Gases C) Liquids D) Plasma
9. Generally which of the following is available is three states ____( ) A) Petrol B) Water C) Milk D) Kerosene
10. The substance formed when ammonia and hydrochloric acid reacts each other is _____________ ( ) A) Ammonium nitrate B) Ammonium chloride C Ammonium phosphate D) Ammonium sulphate
Answers
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D) H2
A) Coconut oil
A) Solids
A) Petrol
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