Question
Match the Column I with Column II.


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| 1. Boyle’s Law | (a) |
| 2. Absolute Scale | (b) V ∝ t |
| 3. Charle’s Law | (c) |
| 4. Boltzmann Constant | (d) V ∝ n |
| 5. Avogadro’s Law | (e) 0 K (zero kelvin) |
| Sample | pH |
| (i) Sour milk | (a) 4.2 |
| (ii) Tomato juice | (b) 4.5 |
| (iii) Seawater | (c) 12 |
| (iv) Lime water | (d) 8 |
| 1. Cowpea | (a) Joining the DNA fragments |
| 2. UV rays | (b) New breed of sheep |
| 3. Lady’s finger | (c) Bacterial blight |
| 4. DNA ligase | (d) Flat bean |
| 5. Pusasem 3 | (e) Pusa Sawani |
| 6. Hissardale | (f) Induce mutation |
| 1. Methylated spirit | (a) Ethanol + water |
| 2. Power alcohol | (b) Ethanol + pyridine |
| 3. Denatured spirit | (c) Ethanol + petrol |
| 4. Rectified spirit | (d) Ethanol + methanol |
| Medium | Speed of Sound (m/s) |
| (i) Copper | (a) 343 |
| (ii) Water | (b) 331 |
| (iii) Air (0° c) | (c) 5010 |
| (iv) Air (at 20° c) | (d) 1493 |

| i. Solubility of $KNO _3$ | (a) decreases with increase in temperature |
| ii. The solubility of CaO | (b) increases with increase in pressure |
| iii. The solubility of oxygen | (c) increases with increase in temperature |
| iv. Solubility of $CO _2$ | (d) more in cold water |