General
✓✗Fifth state of matter is
- Plasma
- Bose Einstein condensate
- Solid
- Gas
General
✓✗The process that takes place in mixing of copper sulphate and water is
- Osmosis
- Diffusion
- Brownian motion
- Tyndall effect
General
✓✗Dry ice is stored at
- High temperature
- High pressure
- Low pressure
- Room temperature and pressure
General
✓✗Which of the following factor is responsible for faster cooling of tea in a saucer ?
- Greater surface area
- Greater humidity
- Low humidity
- All of these
General
✓✗If matter has fixed shape and volume, it is in its ____ state
- Solid
- Liquid
- Gaseous
- Any of these
General
✓✗Heat energy which is required for the change of state is called
- Vaporization heat
- Condensation energy
- Melting energy
- Latent heat
General
✓✗Which of the following is considered as the fourth state of matter?
- Gas
- Plasma
- Liquid
- Bose-Einstein condensate
General
✓✗Plasma state is a mixture of
- Free atoms
- Free electrons and ions
- Free protons
- Atoms & molecules
General
✓✗The random movement of particles caused by much smaller particles is known as
- Diffusion
- Tyndall effect
- Brownian motion
- Osmosis
General
✓✗The temperature at which a solid changes in to its liquid state at atmospheric pressure is called is -
- Boiling point
- Melting point
- Freezing point
- Latent heat of vaporization