Question

The gas X is colorless and odourless having a slightly sour taste which is a minor component of air. It is moderately soluble in water. This gas neither burns nor supports burning. It rather extinguishes a burning fire. If there was no gas X in air, there would be no plants and animals on the earth. a) Name the gas X b) What is the percentage of gas X in air? c) Why is gas X very important for the existence of all life?

Answer 1

Answer:

1) CO2

2) 0.0415%

3) plants respire CO2 and give out oxygen...plants are necessary for life of all organisms...hence CO2 is important for the existence of all life.

Explanation:

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Answer 2

Answer:

a) THE GAS IS CARBON DI OXIDE

b) CARBON DI OXIDE IS 0.04

c) Carbon dioxide plays an important part in vital plant and animal process, such as photosynthesis and respiration.Green plants convert carbon dioxide and water into food compounds, such as glucose, and oxygen.

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