Give two examples of each of the following:1. Phase 2. Homogeneous ma

1.	Give two examples of each of the following:1. Phase 2. Homogeneous matter 3. Heterogeneous matter 4. Homogeneous mixture 5. Heterogeneous mixture 6. Solution 7. Suspension 8. Colloid.
Answer» 1. Phase: (i) Solid: Sodium chloride, blue vitriol, sand, (ii) Liquid: Water, alcohol, (iii) Gas: Chlorine, ammonia. 2. Homogeneous matter: Blue vitriol (solid), a solution of blue vitriol in water (a solid in a liquid), chlorinated water (a gas in a liquid). 3. Heterogeneous matter: Sand and water, sand and alcohol, blue vitriol and sand. 4. Homogeneous mixture: A solution of sodium chloride in water, air, a mixture of water and alcohol. 5. Heterogeneous mixture: A mixture of sand and blue vitriol, sodium chloride and iron filings, oil and water. 6. Solution: Seawater, a solution of sugar in water, a solution of blue vitriol in water. 7. Suspension: A mixture of sand and water, sand and alcohol, muddy water, limestone in water. 8. Colloid: Milk, milk of magnesia, blood, printing ink.

Give two examples of each of the following:1. Phase 2. Homogeneous matter 3. Heterogeneous matter 4. Homogeneous mixture 5. Heterogeneous mixture 6. Solution 7. Suspension 8. Colloid.

Answer»

1. Phase: (i) Solid: Sodium chloride, blue vitriol, sand, (ii) Liquid: Water, alcohol, (iii) Gas: Chlorine, ammonia.

2. Homogeneous matter: Blue vitriol (solid), a solution of blue vitriol in water (a solid in a liquid), chlorinated water (a gas in a liquid).

3. Heterogeneous matter: Sand and water, sand and alcohol, blue vitriol and sand.

4. Homogeneous mixture: A solution of sodium chloride in water, air, a mixture of water and alcohol.

5. Heterogeneous mixture: A mixture of sand and blue vitriol, sodium chloride and iron filings, oil and water.

6. Solution: Seawater, a solution of sugar in water, a solution of blue vitriol in water.

7. Suspension: A mixture of sand and water, sand and alcohol, muddy water, limestone in water.

8. Colloid: Milk, milk of magnesia, blood, printing ink.