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Pb and Sn are extracted from their chief...

Pb and Sn are extracted from their chief ore respectively by

A

increases

B

decreases

C

Remain same

D

can not be predicted

Text Solution

Verified by Experts

The correct Answer is:
2
`DeltaH=+ve rArr` endothermic reaction
go forward`" "rArr" "`mole increses molar mass decreases.
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