Which one of the following... |JEE Main 2023

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31-1-23{S2}

Question

Which one of the following statements is incorrect ?

Select the correct option:

Boron and Indium can be purified by zone refining method.

Van-Arkel method is used to purify tungsten.

Cast iron is obtained by melting pig iron with scrap iron and coke using hot air blast.

The malleable iron is prepared from cast iron by oxidising impurities in a reverberatory furnace.

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Van-Arkel process is used for purification of Ti, Zr, Hf and B.

Question Tags

JEE Main

Chemistry

Easy

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