General
✓✗Factors that affect rate of diffusion include all except
- Temperature
- Distance
- Concentration
- Time
General
✓✗On applying pressure gas will
- diffuse faster
- get compressed into liquid
- change to solid
- undergo no change
General
✓✗Correct definition of “Latent heat of fusion” is -
- It is the quantity of heat in Celsius required to convert 1 gm of solid into liquid without any change in temperature
- It is the quantity of heat in Joules required to convert 1 Kg. of solid into liquid, without any change in temperature
- It is the quantity of heat in Joules required to convert 1 gm of solid into liquid without any change in temperature
- None of these is correct
General
✓✗Freezing point of water is
- 0°C
- 273 K
- 32°F
- All of these
General
✓✗If dry ice is heated it will
- Melt
-
Change in to gaseous
- Not undergo any change
- Get wet
General
✓✗If in a beaker water is boiling for 10 min., the temperature in the thermometer will read
- 100°C
- 99°C
- 110°C
- Can not say
General
✓✗Latent heat gets used up in
- Breaking bonds between molecules
- Providing energy to water molecules
- Overcoming the force of attraction between the particles
- Raising the temperature
General
✓✗Which of the following is considered as the fourth state of matter?
- Gas
- Plasma
- Liquid
- Bose-Einstein condensate
General
✓✗Which of the following is a property of gases only?
- They fill the container completely
- They do not have fixed shape and volume
- They can be compressed
- They can flow
General
✓✗The process that takes place in mixing of copper sulphate and water is
- Osmosis
- Diffusion
- Brownian motion
- Tyndall effect