Question

| Code. | A | B | C | D |
| (a) | 2 | 3 | 4 | 1 |
| (b) | 1 | 2 | 3 | 4 |
| (c) | 4 | 1 | 2 | 3 |
| (d) | 3 | 4 | 1 | 2 |

| Code. | A | B | C | D |
| (a) | 2 | 3 | 4 | 1 |
| (b) | 1 | 2 | 3 | 4 |
| (c) | 4 | 1 | 2 | 3 |
| (d) | 3 | 4 | 1 | 2 |
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| Column I | Column II |
| A M.C. Brain | 1 Adsorption theory |
| B T. Graham | 2 Brownian movement |
| C Langmuir | 3 Sorption |
| D RobertBrown sam | 4 Occlusion |
| Code: | A | B | C | D |
| (a) | 1 | 2 | 3 | 4 |
| (b) | 4 | 3 | 2 | 1 |
| (c) | 3 | 4 | 1 | 2 |
| (d) | 2 | 1 | 4 | 3 |
| Column-I | Column-II |
| A. $HF$ | 1. Strong acid |
| B. $H _2 SO _4$ | 2. Strong base |
| C. $H _2$ | 3. Weak acid |
| D. $O ^{2-}$ | 4. Very weak acid |
| A. Iron | 1. Artificial joint |
| B. Platinum | 2. Hemoglobin |
| C. Cobalt | 3. Catalysis |
| D. Titanium | 4. Vitamin – $B_{12}$ |
| Column I | Column II |
| A. Sol | 1. Butter, cheese |
| B. Solid foam | 2. Pearls, opals |
| C. Gel | 3. Pumice stone, rubber band |
| D. Solid sol | 4. Ink, paint |
| Code: | A | B | C | D |
| (a) | 3 | 4 | 2 | 1 |
| (b) | 4 | 3 | 1 | 2 |
| (c) | 1 | 2 | 3 | 4 |
| (d) | 2 | 1 | 4 | 3 |
| Column-I | Column-II |
| A. Retinol | 1. Skin cleanser |
| B. Methanol | 2. Additive to petrol |
| C. Isopropyl alcohol | 3. Proper functioning of eyes |
| D. Ethanol | 4. Industrial solvent |
| Code. | A | B | C | D |
| (a) | 3 | 4 | 1 | 2 |
| (b) | 1 | 2 | 3 | 4 |
| (c) | 4 | 3 | 2 | 1 |
| (d) | 2 | 1 | 4 | 3 |
| Column-I | Column-II |
| A. $HClO _4$ | 1. Very weak base |
| B. $HNO _2$ | 2. Very weak acid |
| C. $OH ^{-}$ | 3. Weak acid |
| D. $ClO _4^{-}$ | 4. Strong acid |

| Code. | A | B | C | D |
| (a) | 3 | 1 | 4 | 2 |
| (b) | 4 | 3 | 2 | 1 |
| (c) | 1 | 2 | 3 | 4 |
| (d) | 2 | 4 | 1 | 3 |