Advertisements
Advertisements
Question
Draw a neat labelled diagram for the following experiment.
To prove that oxygen is non-combustible, but supports combustion.
Advertisements
Solution
APPEARS IN
RELATED QUESTIONS
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 observeation balloons. | (b) Carbonic acid |
| 3. An acid formed by the dissolution of sulphur dioxide gas in water. | (c) Sulphuric acid |
| 4. An acid formed by the dissolution of carbon dioxide in water. | (d) Helium |
| 5. A gas vital for respiration. | (e) Nitrogen |
Discuss harmful effects of greenhouse effect.
What is air pollution?
Name two air pollutants which affect our health.
Name the following.
Gases that are harmful to the ozone layer
What is the importance of air in transmission of sound?
Air has variable composition and hence there is ______ oxygen at lower altitudes than at higher altitudes.
What should be done if the clothes of a person catch fire accidentally? Why?
List five activities that are possible due to the presence of air.
Explain the following observations very briefly
The arrow of weather cock points towards a particular direction at a particular moment.
