Question

Match the following

Column A Column - B

A Na3AlF6 i) Al2O3

B Corundum ii) Fe3O4

C FeS2 iii) Cryolite

D Magnetite iv) Iron pyrite
URGENT!!!!!!! ​

Answer 1

Answer:

(A) (A)→(ii),(B)→(iv),(C)→(i),(D)→(iii)

(A) Borax → Also known as sodium tetraborate decahydrate have chemical formula Na

2

B

4

O

7

.10H

2

O(ii).

(B) Inorganic benzene → Borzine is known as inorganic benzene. It's chemical formula is B

3

N

3

H

6

(iv).

(C) Cryolite → Earlier it was used as an ore of aluminium and later in the electrolytic processing of the aluminium-rich oxide ore bauxite. It's chemical formula is Na

3

AlF

6

(i).

(D) Bauxite → Bauxite is a sedimentary rock with a relatively high aluminium content. Its chemical formula is Al

2

O

3

.2H

O

(iii).

Explanation:

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Answer 2

Answer:

1. Na3AlF6 - Iron pyrite

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