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

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

Question

The figure shows a car bumper coated with chromium-Why are car bumpers often coated with chromium-i- and -ii- only-ii- and -iii- only-iii- and -i- only-i-ii- and -iii- only

Toppr Admin · Accepted Answer

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-

	Column I		Column II
(i)	Electroporation	(p)	Recombinant DNA is coated with lipid
(ii)	Micro-injection	(q)	Tiny high velocity particles of tungsten or gold are coated with recombinant DNA
(iii)	Lipofection	(r)	Cells are exposed to rapid pulse of high voltage
(iv)	Particle Bombardments	(s)	Directly injected to the nucleus of animal cell through micro

The figure shows a car bumper coated with chromium.Why are car bumpers often coated with chromium?(i) and (ii) only(ii) and (iii) only(iii) and (i) only(i),(ii) and (iii) 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.

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

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