MCQ
${H_2}{O_2}$ on reaction with $PbS$ gives
- A$PbO$
- ✓$PbS{O_4}$
- C$Pb{O_2}$
- D$PbHS{O_4}$
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n | l | ml | |
a. | 1 | 1 | +2 |
b. | 2 | 1 | +1 |
c. | 3 | 2 | -2 |
d. | 3 | 4 | -2 |