The figure shows a car bumper coated with chromium.
Why are car bumpers often coated with chromium?

(i) and (ii) only

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(ii) and (iii) only

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(iii) and (i) only

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(i),(ii) and (iii) only

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Solution

The correct option is A (i) and (ii) only
Car bumpers are coated with chromium because chromium forms an oxide layer and helps in the prevention of rust formation and corrosion.
Hence, option A is correct.

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