Question 10 (a)
Saloni took a piece of burning charcoal and collected the gas evolved in a test tube.
(a) How will she find the nature of the gas?

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Solution

Add some water in the test tube in which gas is collected. Now, cover the test tube. Shake it well.
Test the solution with blue litmus and red litmus. Blue litmus turns red. Thus, the nature of gas is acidic. Non-metallic oxides usually form acids when reacting with water.

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Question 10 (a) Saloni took a piece of burning charcoal and collected the gas evolved in a test tube. (a) How will she find the nature of the gas?

Add some water in the test tube in which gas is collected. Now, cover the test tube. Shake it well. Test the solution with blue litmus and red litmus. Blue litmus turns red. Thus, the nature of gas is acidic. Non-metallic oxides usually form acids when reacting with water.

Question 10 (a)
Saloni took a piece of burning charcoal and collected the gas evolved in a test tube.
(a) How will she find the nature of the gas?

Add some water in the test tube in which gas is collected. Now, cover the test tube. Shake it well.
Test the solution with blue litmus and red litmus. Blue litmus turns red. Thus, the nature of gas is acidic. Non-metallic oxides usually form acids when reacting with water.