Question

State which the following statements are true or false. If false give the correct statement. 

1. Supernatant denotes the heterogeneous mixture, lying above a solid residue, after crystallization, precipitation, centrifugation or other process

2. Liquids cannot be compressed and they have fixed volume

3. The intensity of scattered light depends on the type of colloidal solution and the size of the colloidal particles

4. In Aerosol the dispersed phase is liquid and the dispersion medium is gas

5. When the solid (Solute) dissolves in a liquid (Solvent), it become a solution

6. Solids possess very high kinetic energy

7. Celsius scale is a scale of temperature in which zero represents the melting point of ice and 100 represents the boiling point of water 

Answer 1

1. False.

Correct Statement: Supernatant denotes the liquid lying above a solid residue after crystallization, precipitation, centrifugation or other process

2. True

3. True

4. False.

Correct Statement: In Aerosol, The dispersed phase is solid and the dispersion medium is gas.

5. True

6. False.

Correct Statement: Gases possess very high kinetic energy.

7 True