Question

chemistry Question class 9th for solution

Answer 1

Explanation:

Boiling is the bulk phenomenon but it does not takes place at room temperature.

In gaseous state particles move randomly in high speed as the particles of gases have least force of attraction.

Here is ur explanation now find ur correct option yourself.

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Answer 2

Answer:  1.  -  (iii)  2. (I)

Explanation:  

1.    boiling is  bulk process but it does not take place at  room temperature

since the assertion is correct but  reason is  incorrect.    

so  (III) IS correct answer

2.   the gaseous  state particles  move in randomly  in high   speed. and   have least force of attraction due to large force  of attraction

since the   assertion and  reason both are correct

so (I)  is correct answer