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.Management Sciences
A. Pb2O
B. Pb3O4
C. PbO2
D. All of the above
Related Mcqs:
- Boron is non metal while other elements of IIIA group are metals. This is because______________?
- A. it has small size B. it has high nuclear charge C. it forms molecular addition compounds D. all of the above...
- In network of silica (SiO2) each silicon atom is surrounded by _____________ atoms of osygen?
- A. 4 B. 2 C. 1 D. 6...
- Orthoboric acid is 2.6% soluble in water at 40?C and ___________at 107°C.
- A. 26% B. 27% C. 37% D. <2.6%...
- Because of its ability to combine with both oxygen and nitrogen aluminium metal is used_____________?
- A. As nitrometer B. To remove air bubbles from molten metal C. To produce alloy D. As insulator...
- The coloured glassy mass in borax bead test is due to the formation of___________________?
- A. metal borate B. metal meta borate C. metal boride D. metal silicate...
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