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Galena is an ore of...

Galena is an ore of

A

Gallium

B

Lead

C

Tin

D

Gernanium

Text Solution

Verified by Experts

The correct Answer is:
B
Galena (PbS) is an ore lead.
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Galena (an ore) is partially oxidized by passing air through it at high temperature. After some time, the passage of air is stopped, but the heating is continued in a closed furnace such that the contents undergo self-reduction. The weight (in kg) of Pb produced per kg of O_(2) consumed is ____. (Atomic weights in g mol^(1) : O = 16, S = 32, Pb = 207)

Galena (an ore) is partially oxidised by passing air through it at high temperature. After some time the passage of air stopped, but the heating is continued in a closed furnace such that the contents undergo self-reduction. The weight (in kg) of Pb produced per kg of O_(2) consumed is_ , "Atomic weights in g mol"^(-1): O =16,S=32,Pb=207

Galena is reported to have 23.8% PbS . Calculate the volume of oxygen required at STP to roast 10 kg galena to PbO and SO_(2) .

Every mineral is an ore, but every ore is not a mineral.