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Cells and Batteries Questions and Answers PDF Download eBook
MCQ: The ordinary dry cells are used in
- toys only
- torches only
- car
- toys and torches
D
MCQ: Higher oxidation states are generally found in compounds of
- oxygen and fluorine
- carbon and oxygen
- nitrogen and carbon
- oxygen and hydrogen
A
MCQ: Lead carbonate (PbCO3) only dissolves 0.00017g in dm3 of water, hence it is regarded as
- soluble
- insoluble
- partially soluble
- partially insoluble
B
MCQ: The relative stability of oxidation states +2 and +4 decreases
- down the group
- across the period
- up the group
- diagonally
A
MCQ: Michal Faraday coined the words
- anode only
- cathode only
- electrode
- anode and cathode
D