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Match the items of Column I with the ite...

Match the items of Column I with the items of Column II and assign the correct code:
`{:(ColumnI,ColumnII),((A)"Sapphire",(1)Al_(2)O_(3)),((B)"Sphalerite",(2)NaCN),((C)"Depressant",(3)Co),((D)"Corundum",(4)ZnS),(,(5)Fe_(2)O_(3)):}`

A

A(3) `" " `B(4) `" "`C(2)`" "`D(1)

B

A(5) `" " `B(4) `" "`C(3)`" "`D(2)

C

A(2) `" " `B(3) `" "`C(4)`" "`D(5)

D

A(1) `" " `B(2) `" "`C(3)`" "`D(4)

Text Solution

Verified by Experts

The correct Answer is:
A
Explanation. The colour of sapphire is due to Co. Sphalerite is ZnS. Depressant is NaCN. Corundum is actually ` Al _ 2 O _ 3`.
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