MCQOPTIONS
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| 1. |
The bumpers and door handles of motor cars, taps etc. are coated with silvery layer of chromium because(i) It does not easily get corroded.(ii) It forms a hard layer which does not easily get scratched.(iii) It tarnishes quickly.(iv) It is cheap.Which of the following options is correctly identifies true (T) or false (F)? |
| A. | (i)(ii)(iii)(iv)FFTT |
| B. | (i)(ii)(iii)(iv)TTFF |
| C. | A physical reaction |
| D. | (i)(ii)(iii)(iv)TTFT |
| Answer» E. | |