Question

Saina 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?

(b) Write down word equation of the gas?

(c) Write one use of this gas.​

Answer 1

Answer:

(a) Saloni needs to add some water in the test tube in which the gas is collected. She needs to cover the tube and shake it well. Now she will test the solution with both red and blue litmus. Blue litmus turns to red which shows that the gas is acidic in nature.

(b)Charcoal reacts with oxygen to form carbon dioxide gas.

      C+O2 ⟶CO2

​ Carbon dioxide gas reacts with water to form carbonic acid which is acidic in nature and turns blue litmus red.

      Co2 +H2 O⟶H2 Co3

​

Explanation:

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Answer 2

Answer:

The nature of the gas can be found by adding water to the gas in the test tube. And then put some blue litmus solution in the jar. The blue litmus solution turns red, this means that the gas is acidic in nature.