Question 4:

(i) What happens when an inflated air balloon is pricked with a pin? Name the property of the gaseous state exhibited by this observation.
(ii) Which of the following diffuses faster?
Water vapour, wax or, ethyl alcohol.

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Solution

(i) The balloon bursts and the air inside the balloon diffuses all around.

(ii) Water vapour diffuses faster as it is a gas. Wax is a solid, ethyl alcohol is a liquid. Gases diffuses at faster rates than liquids and solids.

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Question 4: (i) What happens when an inflated air balloon is pricked with a pin? Name the property of the gaseous state exhibited by this observation. (ii) Which of the following diffuses faster? Water vapour, wax or, ethyl alcohol.

(i) The balloon bursts and the air inside the balloon diffuses all around. (ii) Water vapour diffuses faster as it is a gas. Wax is a solid, ethyl alcohol is a liquid. Gases diffuses at faster rates than liquids and solids.

Question 4:

(i) What happens when an inflated air balloon is pricked with a pin? Name the property of the gaseous state exhibited by this observation.
(ii) Which of the following diffuses faster?
Water vapour, wax or, ethyl alcohol.

(i) The balloon bursts and the air inside the balloon diffuses all around.

(ii) Water vapour diffuses faster as it is a gas. Wax is a solid, ethyl alcohol is a liquid. Gases diffuses at faster rates than liquids and solids.