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प्रश्न
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement
The ______ makes the windmill rotate.
उत्तर
The Wind makes the windmill rotate.
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संबंधित प्रश्न
Match the statements in Column A, with those in Column B.
| Column A | Column B |
| 1. Largest Constituent of air, which dilutes the activity of oxygen. |
(a) Oxygen |
| 2. A gas used for filling weather observation balloons. | (b) carbon acid |
| 3. An acid formed by the dissolution of sulphur dioxide gas in water. | (c) Sulphur acid |
| 4. An acid formed by the dissolution of carbon dioxide in water. | (d) Helium |
| 5. A gas vital for respiration. | (e) Nitrogen |
Tick (√) the correct alternative from the choice given for the following statement.
The gases which cause acid rain are
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
Air is a mixture and not a compound since the components of air cannot be separated by physical methods.
Name the following.
Inert gases in the air
Answer in your own words.
What are the various constituents of air? Write their uses.
State the meaning of the term Air
What is wind energy?
The composition of air is always exactly the same.
Cool and soothing wind: Breeze.
uproot trees wind: ______.
Make sentences using the given set of words.
Air, wind, motion, called
