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प्रश्न
Complete the statement given below by filling in the blank with the correct word/s from the word/s given below
____________ is an example of a pollutant present in the air.
विकल्प
helium
hydrogen sulphide
उत्तर
Hydrogen sulphide is an example of a pollutant present in the air.
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संबंधित प्रश्न
Give two uses of the following component present in air:
oxygen
Define rusting?
How is air useful to water boats?
State what do you understand by the term ‘air’. Explain its importance to mankind.
Explain Lavoisier’s experiment which provided evidence to the discovery of components in air.
The process of conversion of iron into hydrated form of oxides is called _______.
Air has no ______ & ______.
Cool and soothing wind: Breeze.
uproot trees wind: ______.
Make sentences using the given set of words.
Air, wind, motion, called
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.
