Which of the following options are correct?

Question

Filo · Accepted Answer

Cast iron is purest form of iron than pig iron. The iron obtained from blast furnace contains about

4%

carbon and many impurities in the smaller amount is known as pig iron. Cast iron is obtained by remelting pig iron with scrap iron and coke using hot air blast.

Silver is extracted from its native ore by leaching. It is treated with dilute solution of sodium or potassium cyanide. This is know as Mac-Arthur forest cyanide process. Silver is extracted as anionic complex,

N a [A g (CN)_{2}]

.

Nickel is purified using Mond's process.

In Van Arkel method impure metal is converted into volatile compound while impurities are not affected. The volatile compound is then decomposed electrically to get the pure metal.

T i, Z r, H f, e t c .,

are refined by this method.

Hence, the correct options are (A) and (D).

Question Text	Which of the following options are correct?
Answer Type	Text solution:1
Upvotes	150

Which of the following options are correct?

Text solutionVerified

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