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CHEMISTRY

Chemistry
Which of the following does the Nucleus of an atom consist of?

Electrons
Protons and neutrons
Protons
Protons and electrons

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Chemistry
Cooking gas is a mixture of

Carbon dioxide and oxygen
Butane and propane
Methane and ethylene
Carbon monoxide and carbon dioxide

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Chemistry
Thermal electricity is generated by using which of these ?

None of these
Coal, Natural Gas and Petroleum
Coal and Natural Gas only
Coal only

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Chemistry
Which of the following is the major constituent of LPG?

Butane
Methane
Ethane
Propane

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Chemistry
Which variety of coal contains recognisable traces of the original plant material ?

Lignite
Bitumen
Anthracite
Peat

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