General
✓✗Which of the following is not a compound?
- Sugar
- Steam
- Ammonia gas
- Chlorine gas
General
✓✗If 25ml of alcohol is present in 150ml of water, what is the concentration of the solution?
- 15%
- 14.2%
- 19.2%
- 26.6%
General
✓✗Soda water is an example of
- Mixture of liquid in gas
- Solution of gas in liquid
- Heterogeneous mixture
- None of these
General
✓✗Liquid non-metal is
- Iodine
- Mercury
- Bromine
- Nitrogen
General
✓✗A metal which can be cut with a knife is
- Cadmium
- Antimony
- Sodium
- Chromium
General
✓✗Which of the following is not a metalloid ?
- Germanium
- Chromium
- Silicon
- Boron
General
✓✗Which one of the following is not a physical change?
- Condensation of steam
- Melting of wax
- Burning of wax
- Making of solution
General
✓✗Coloured gemstones are the example of
- Solid foam
- Solid solution
- Gel
- None of these
General
✓✗If 50ml of alcohol is mixed with 150ml of water, what will be the concentration of the solution?
- 25%
- 50%
- 33.3%
- 42%
General
✓✗Most metals are normally
- White
- Golden
- Grey
- Brownish