General
✓✗
The scientific name of particles which make up matter is
-
Atom
-
Molecule
-
Both ‘atom’ and ‘molecule’
-
Compound
General
✓✗Sun and other stars glow due to presence of ____ in them
- Bose Einstein condensate
- Plasma
- Glowing of stars is a natural phenomenon
- They glow because they shine
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
✓✗If matter has fixed volume but no fixed shape, then it is in which physical state
- Solid
- Liquid
- Gas
- Semi solid
General
✓✗Dry Ice is
- Solid carbon dioxide
- A sublime substance
- Used as coolant
- All are correct
General
✓✗
Which phenomenon tells us that particles of matter are constantly moving?
-
Osmosis
-
Diffusion
-
Both ‘Osmosis’ and ‘Diffusion’
-
None of these
General
✓✗Plasma state is a mixture of
- Free atoms
- Free electrons and ions
- Free protons
- Atoms & molecules
General
✓✗Gases are matter because
- They have mass
- They have volume
- Both ‘a’ and ‘b’ are correct
- None of these
General
✓✗If a liquid changes into its gaseous state at a temperature below its boiling point the process is called
- Vaporization
- Boiling
- Evaporation
- None of these
General
✓✗Now a days scientists claim about existence of how many states of matters?
- 3
- 4
- 5
- 6