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प्रश्न
With whom should I pair up?
| Group A | Group B | ||
| (1) | Air | (a) | Excretion |
| (2) | Water | (b) | Scattering of light |
| (3) | Soil | (c) | Plasticity |
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उत्तर
| Group A | Group B | ||
| (1) | Air | (b) | Scattering of light |
| (2) | Water | (a) | Excretion |
| (3) | Soil | (c) | Plasticity |
संबंधित प्रश्न
Discuss harmful effects of greenhouse effect.
Fill in the blank:
_____________ discovered the oxygen gas.
How is air useful to water boats?
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.
Describe a simple experiment with the help of a diagram to show that Air occupies space
Draw a neat labelled diagram for the following experiment.
To determine the component of air used up in burning, by using phosphorus and a bell jar.
Draw a neat labelled diagram for the following experiment.
To demonstrate the burning of sulphur in a jar of oxygen.
Mention two advantages of wind energy.
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.
Why did the tiny bubbles appeared?
