Assertion (A): | When dry fruits and vegetables are placed in water, they slowly get swelled. |
Reason (R): | It happens due to the phenomenon of osmosis. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | (A) is false but (R) is true. |
Assertion (A): | Henry's law states that “the partial pressure of the gas in vapour phase (p) is proportional to the mole fraction of the gas (x) in the solution” |
Reason (R): | Raoult's law is a special case of Henry's law. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | (A) is false but (R) is true. |
Assertion (A): | 0.1 M solution of glucose has the same decrement in the freezing point as 0.1 M solution of urea. |
Reason (R): | Kf for both has the same value. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True and (R) is False. |
4. | (A) and (R) both are False. |
List I | List II |
Types of Solutions | Common Examples |
A. Gas in Gas | I. Solution of hydrogen in palladium |
B. Solid in Gas | II. Mixture of oxygen and nitrogen gas |
C. Gas in Liquid | III. Camphor in nitrogen gas |
D. Gas in Solid | IV. Oxygen dissolved in water |
Options: | A | B | C | D |
1. | II | III | IV | I |
2. | II | I | IV | III |
3. | II | IV | III | I |
4. | II | IV | I | III |
Statement I: | The mass of a gas dissolved in a given mass of a solvent at any temperature is proportional to the pressure of the gas above the solvent. |
Statement II: | The rate of dissolution of sugar is equal to the rate of crystallization of sugar at equilibrium. |
1. | Both statement I and statement II are true. |
2. | Both statement I and statement II are false. |
3. | Statement I is true but statement II is false. |
4. | Statement I is false but statement II is false. |
List I Concentration expression |
List II Uses |
A. Mass percentage | I. Medicine |
B. Volume percentage | II. Concentration of pollutants |
C. Mass by volume percentage | III. Industrial chemicals |
D. Parts per million | IV. Liquid solutions |
Options: | A | B | C | D |
1. | III | IV | II | I |
2. | III | II | IV | I |
3. | III | IV | I | II |
4. | III | I | II | IV |