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Chemistry

Chemistry
The maximum number of covalent formed by nitrogen is

2
4
1
3

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Chemistry
The cathode of a lead storage battery is made up of

Manganese dioxide
Lead oxide
Zinc
Lead

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Chemistry
Brass is a solution of molten copper in

Solid zinc
Molten zinc
Gaseous zinc
Molten tin

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Chemistry
The polymer used in making plastic crockery is

Decron
Melamine
Nylon
Bakelite

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Chemistry
The unit to measure the flow of water is

Micro Mho
Cusecs
Ohm meter
Milli curie

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Chemistry
The ore which is found in abundance in India is

monazite
bauxite
fluorspar
magnetite

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