Question

state two advantages of chromium platin​

Answer 1

Answer:

(ii) It saves metal surfaces from rusting. (iii) It saves corrosion of surfaces of metals. (iv) Coating of chromium on metals give luster to objects. (v) Cheap metals like iron, aluminium etc., can be coated with costly metals like silver, gold etc., to give them rich look as in case of artificial jewellery.

Explanation:

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Answer 2

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Chrome has great friction and hardness properties so it can be used where things are moving and coming together. It will protect against the wear and tear caused by friction and increase the machine’s efficiency, due to reduced heat build-up as well as a reduced propensity for malfunction.