MCQ
Zinc corrodes in ____________________.
- A2M alkaline solution.
- B2M acid solution.
- C2M neutral salt solution.
- Dall of the above.
Explanation:
Corrosion requires an acidic medium. Hence zinc corrodes in 2M acid solution.
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| Column I | Column II |
| (a) Molarity | (1) $\frac{\text { Mass of solute }}{\text { Mass of solution }} \times 10^6$ |
| (b) Molality | (2) Number of gram moles of a solute per litre of solution |
| (c)Normality | (3) Number of gram moles of a solute per kg of solvent |
| (d) ppm | iv) Number of gram equivalent of a solute per litre of solution |