General Principles and processes of Isolation of Elements
hard

Correct match is

A

Bayer's method  $-$  $Na_2CO_3$

B

Matte  $-$  $98\%\,Cu_2S+2\%\,FeS$

C

van Arkel method  $-$  $AgI$

D

Thomas slag  $-$  Raw material for cement industry

Solution

Roasted mass obtained from roasting step is called matte.  $98\%\,Cu_2S+2\%\,FeS$

Standard 12
Chemistry

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