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प्रश्न
Name the following.
Gases that are harmful to the ozone layer
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उत्तर
Carbon tetrachloride
संबंधित प्रश्न
What is air pollution?
What is meant by the term ‘atmosphere’? State the role played by the atmosphere for the survival of mankind.
Describe a simple experiment with the help of a diagram to show that Air occupies space
What will happen if the number of vehicles and factories in your surroundings increases?
______ soil has pH 7.
How is light scattered by the air?
Explain the term ‘air pollution’, with reference to air quality. State the sources of a few main pollutants.
Draw a neat labelled diagram for the following experiment.
To study the presence of carbon dioxide in air.
Cool and soothing wind: Breeze.
uproot trees wind: ______.
Paheli kept some water in a beaker for heating. She observed that tiny bubbles appeared before the water started to boil. She boiled the water for about 5 minutes and filled it in a bottle up to the brim and kept the bottle air tight till it cooled down to room temperature.
Do you think tiny bubbles will appear on heating the water taken out from the bottle? Justify your answer.
