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Chemistry

Chemistry
The most volatile of the given liquids is

Liquid
Ether
Liquid He
Liquid NH3

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Chemistry
Among the following iron ores, the highest percentage of iron content is found in–

Magnetite
Limnonite
None of these
Haemetite

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

Lead
Manganese dioxide
Lead oxide
Zinc

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Chemistry
Diamond is lustrous because

It is colourless
It is pure
It is hard
Its refractive index is high

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Chemistry
The resources which can be used continuously, year-after -year are called

Non-renewable
Renewable
Abiotic
Biotic

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Chemistry
Nucleus of an atom consists of.

Proton and Neutron
Proton
Electron, Proton and Neutron
Neutron

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