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CHEMISTRY

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

Protons
Protons and neutrons
Protons and electrons
Electrons

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Chemistry
Cooking gas is a mixture of

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

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Chemistry
Thermal electricity is generated by using which of these ?

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

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

Propane
Ethane
Methane
Butane

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

Peat
Bitumen
Lignite
Anthracite

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