Advertisements
Advertisements
प्रश्न
Why can’t we see air?
Advertisements
उत्तर
We can’t see air because it is colourless, odourless and transparent gaseous matter.
APPEARS IN
संबंधित प्रश्न
What do you observe when Carbon dioxide gas is passed through lime water.
How is air useful to agriculture?
Fill in the blank
Although we cannot see air, we can ___it.
State what do you understand by the term ‘air’. Explain its importance to mankind.
Explain the term ‘air pollution’, with reference to air quality. State the sources of a few main pollutants.
Fill in the blank:
A candle burns in a jar of oxygen, but gets extinguished in ______
Draw a neat labelled diagram for the following experiment.
To demonstrate the burning of sulphur in a jar of oxygen.
Name a device which uses wind energy to generate electricity.
Cool and soothing wind: Breeze.
uproot trees wind: ______.
Which of the following statements is incorrect?
