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Chemistry
Chemistry
Problem
Which of the following sulphides can not be reduced to metal by
H
2
\text{H}_2
H
2
at about
1000
∘
C
1000^\circ\text{C}
100
0
∘
C
? a. HgS b. PbS c.
Bi
2
S
3
\text{Bi}_2\text{S}_3
Bi
2
S
3
d. all of these
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