Advertisements
Advertisements
प्रश्न
What was the ancient belief regarding the nature of matter ?
टीपा लिहा
Advertisements
उत्तर
The ancient belief about the nature of matter was that it is com-pound of four elements
- fire
- air
- wood
- earth
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
What do you observe when Carbon dioxide gas is passed through lime water.
Give two uses of the following component present in air:
oxygen
What is meant by ozone depletion?
State four steps to be taken to control air pollution.
Fill in the blank
Air is a ______ of gases
Tick (√) the correct alternative from the choice given for the following statement.
Air pollution is due to the
State the meaning of the term atmosphere.
What is global warming?
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 |
Explain the following observations very briefly
A firki does not rotate in a closed area.
