Question

1. A solution is a .............. mixture.

a. homogeneous b. heterogeneous c. homogeneous and heterogeneous

d. non homogeneous

2. The number of components in a binary solution is ....

a. 2 b. 3 c. 4 d. 5

3. Which of the following is the universal solvent?

a. Acetone b. Benzene c. Water d. Alcohol

4. Solubility of NaCl in 100ml water is 36g. If 25g of salt is dissolved in 100ml of water, how much

more salt is required for saturation.....

a. 12g b. 11g c. 16g d. 20g

5. Deliquescence is due to ....

a. strong affinity to water b. less affinity to water c. strong hatred to water

d. inertness to water

6. Which of the following is hygroscopic in nature?

a. ferric chloride b. copper sulphate pentahydrate c. silica gel d. none of the above

7. When pressure is increased at constant temperature the solubility of gases in liquid .......

a. no change b. increase c. decrease d. no reaction

8. A 25% alcohol solution means

a. 25ml of alcohol in 100ml of water b. 25ml alcohol in 25ml of water

c. 25ml alcohol in 75ml of water d. 75ml alcohol in 25ml of water

9. A solution in which no more solute can be dissolved in a definite amount of solvent at a given

temperature is called ....

a. saturated solution b. unsaturated solution c. super saturated solution

d. dilute solution

10. Identify the non aqueous solution.

a. sodium chloride in water b. glucose in water c. copper sulphate in water

d. sulphur in carbon disulphide

11. Hygroscopic substances are used as .... agents.

a. oxidizing b. reducing c. decarbocyleting d. drying

12.Quick line is dissolved in water is a .... process.

a. exothermic b. endothermic c. reversible d. both a and b

13. White vitriol is ....

a. CaSO4.7H2O b. MgSO4.7H2O c. K2SO4.7H2O d. ZnSO4.7H2O

14. Solubility of CO2 in water ..... with the increase in pressure.

a. increase b. decrease c. remains constant d. none of these

15. Non-aqueous solvent is .....

a. benzene b. ether c. CS2 d. all the above

16. An example for a solution containing liquid solute in gas solvent is ....

a. soda water b. cloud c. cork​

Answer 1

Answer:

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