MCQ
$NH_4CN$ is a salt of ____________.
- Astrong acid and weak base
- Bweak acid and strong base
- ✓weak acid and weak base
- Dstrong acid and strong base
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P - Due to presence of large amount of euchrornatin X chromosome is genetically more active.
Q - Due to presence of small amount of heterochromatin Y chromosome is genetically more active.
| Column I (Food componets) | Column II (Gross calorific value) | ||
| i. | Proteins | a. | 9.45 Kcal/g |
| ii. | Carbohy drates | b. | 4.1 Kcal/g |
| iii. | Fats | c. | 5.65 Kcal/g |