Which of the following two combinations are correct?
| Option | Metal | Gas Evolved |
| (i) | Copper | Yes |
| (ii) | Iron | Yes |
| (iii) | Magnesium | No |
| (iv) | Zinc | Yes |
B. i and iv
C. ii and iii
D. ii and iv
D. ii and iv
Explanation:
Most Matals react with acids, to enolve gas, But somes are Unreactive.
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