Advertisements
Advertisements
Question
Match the items of Column I with the items of Column II
| Column I | Column II | ||
| (a) | Weather cock | (i) | Gases and fine dust particles |
| (b) | Mountaineers | (ii) | Sailing yacht |
| (c) | Fine hair inside the nose | (iii) | Oxygen cylinders |
| (d) | Smoke | (iv) | Direction of air flow |
| (e) | Wind | (v) | Prevent dust particles |
Advertisements
Solution
| Column I | Column II | ||
| (a) | Weather cock | (iv) | Direction of air flow |
| (b) | Mountaineers | (iii) | Oxygen cylinders |
| (c) | Fine hair inside the nose | (v) | Prevent dust particles |
| (d) | Smoke | (i) | Gases and fine dust particles |
| (e) | Wind | (ii) | Sailing yacht |
APPEARS IN
RELATED QUESTIONS
Discuss harmful effects of greenhouse effect.
Give two uses of the following component present in air:
carbon dioxide
Mention five causes of air pollution.
A mixture has a variable composition. Give three other reasons why air is considered a mixture and not a compound.
What is the importance of air in transmission of sound?
Draw a neat labelled diagram for the following experiment.
To prove that oxygen is non-combustible, but supports combustion.
The composition of air is always exactly the same.
Cool and soothing wind: Breeze.
uproot trees wind: ______.
State whether the following statement is true or false. If false, correct them.
Air does not occupy any space.
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?
