1. . The homogeneous mixture of one or more substances is called:
(A) Binary solution
(B) Solute
(C) Solvent
(D) Solution
2. . A solution comprising two substances, one solute and one solvent, is called:
(A) Solution
(B) Binary solution
(C) Solvent
(D) Solute
3. . Complete solute + solvent = ?
(A) Solvent
(B) Solute
(C) Solution
(D) Binary solution
4. . The number of moles of solute dissolved per litre of solution volume is called:
(A) ppm
(B) Molality
(C) Molarity
(D) Mole fraction
5. . Molarity is represented by:
(A) M
(B) m
(C) ppm
(D) X
6. . The number of moles of solute dissolved per kg of solvent is called:
(A) Molarity
(B) Mole fraction
(C) ppm
(D) Molality
7. . The ______ of any component in a mixture is the ratio of the number of moles of it to the total number of moles of all the components:
(A) Molarity
(B) Molality
(C) Mole fraction
(D) ppm
8. . The sum of all the mole fractions of the components is always equal to:
(A) Molarity
(B) Molality
(C) One
(D) ppm
9. . The number of grams of solute dissolved per 100 grams of solvent at a given temperature is called:
(A) Solubility
(B) Molality
(C) Mole fraction
(D) ppm
10. . The various factors that affect solubility are:
(A) Temperature
(B) Pressure
(C) Size of the solute
(D) All of the above
11. . A heterogeneous mixture of two or more substances is called:
(A) Colloidal
(B) True solution
(C) All of the above
(D) Suspension
12. . If clay is dissolved in water, it results in the formation of:
(A) Colloidal solution
(B) True solution
(C) Suspension
(D) All of the above
13. . The size of particles of ______ are greater than in true solution but smaller than in suspension:
(A) Suspension
(B) True solution
(C) Colloidal solution
(D) All of the above
14. . Jelly, ink, milk, starch, gum, and blood are examples of:
(A) Colloidal solution
(B) True solution
(C) Suspension
(D) All of the above
15. . The size of particles of ______ is from 10 to 10⁴ Å:
(A) Colloidal solution
(B) Suspension
(C) Mixture
(D) All of the above
16. . ______ means liking for a liquid:
(A) Hydrophobic
(B) Lyophilic
(C) Crystallization
(D) Attractive
17. . ______ means disliking/fearing a liquid:
(A) Lyophilic
(B) Crystallization
(C) Hydrophobic
(D) Attractive
18. . A solution that contains a relatively small amount of solute in a given quantity of solvent is called:
(A) Saturated solution
(B) Dilute solution
(C) Ideal solution
(D) Standard solution
19. . A solution in which no more solute can dissolve at a given temperature is called:
(A) Dilute solution
(B) Saturated solution
(C) Ideal solution
(D) Standard solution
20. . A solution whose strength is known, i.e., a particular amount of solute dissolved, is called:
(A) Standard solution
(B) Saturated solution
(C) Ideal solution
(D) Dilute solution