MCQ
Which one of the following is an example for electrochemical process?
- AChrome plating
- BRusting of iron
- CGalvanisation
- ✓All the above
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| Column - I | Column - II |
| A. $CCl _3 NO _2$ | 1. Diuretic |
| B. $C _6 H _5 NO _2$ | 2. Fuel additive |
| C. $C _2 H _5 NO _2$ | 3. Insecticide |
| D. $C _2 H _5- O - N = O$ | 4. Explosive |