Advertisements
Advertisements
Question
Describe a simple experiment with the help of a diagram to show that Air has mass
Advertisements
Solution
Air has mass
- An inflated balloon is placed on one side of the scale.
Observation: It is seen that the scale moves towards one side. It moves on the side on which the inflated balloon was placed.
Conclusion: Air has mass.
RELATED QUESTIONS
Fill in the blank:
_____________ discovered the oxygen gas.
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 |
Fill in the blank
Although we cannot see air, we can ___it.
Tick (√) the correct alternative from the choice given for the following statement.
Air pollution is due to the
Describe a simple experiment with the help of a diagram to show that Air occupies space
The capacity of air to hold moisture depends upon the ______ of the air.
______ soil has pH 7.
Fill in the blank:
The gas evolved as a product of combustion as well as respiration is ______.
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?
