Advertisements
Advertisements
प्रश्न
The process of a gas converting directly into solid is called vaporization.
विकल्प
True
False
Advertisements
उत्तर
False.
The process of a liquid converting directly into gas is called vaporization.
APPEARS IN
संबंधित प्रश्न
What is meant by the intermolecular forces of attraction? How do they vary in solids, liquids and gases?
Fill in the blank
In a solid, the molecules ............................................ but they remain at their fixed positions.
State the general properties of a solid.
What happens when a solid is heated?
Fill in the blank
When a gas is cooled, its molecules .............. energy.
Write whether the following statement is true or false.
If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely.
Select natural and man-made matter from the following list:
Wood, plastic, silk, medicines, detergents, coal, water, ceramic, cotton, glass, nylon, fruits.
Name the three states of matter and define them.
All kinds of matter
Match the characteristics of the three states of matter in List I with their correct answer from List II.
| List I | List II |
| 1. Are highly rigid and have a definite shape | A: Solids and gases only |
| 2. Have no definite shape | B: Solids only |
| 3. Have definite volume but no definite shape | C: Liquids and gases only |
| 4. Are highly compressible and least rigid | D: Gases only |
| 5. Have no definite volume | E: Solid, liquids and gases |
| 6. Have no definite shape and volume |
F: liquids only |
| 7. Occupy space | G: Solids and liquids only |
| 8. Are not compressible | |
| 9. Are slightly compressible | |
| 10. Have mass |
