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Name a metal/non-metal : (i) Which mak...

Name a metal/non-metal :
(i) Which makes iron hard and strong ?
(ii) Which is alloyed with any other metal to make an amalgam ?
(iii) Which is used to galvanise iron articles ?
(iv) Whose articles when exposed to air form a black coating ?

Text Solution

Verified by Experts

i. Carbon makes iron hard and strong. Tungsten can also make iron hard and strong.
ii. Mercury
iii.Zinc
iv. Silver
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ZEN PUBLICATION-METALS AND NON METALS-ZEN ADDITIONAL QUESTIONS SECTION (SHORT ANSWER [SA] TYPE 1 QUESTIONS)
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