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CHEMISTRY

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

Protons and neutrons
Protons and electrons
Protons
Electrons

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Chemistry
Cooking gas is a mixture of

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

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Chemistry
Thermal electricity is generated by using which of these ?

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

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

Methane
Butane
Propane
Ethane

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

Anthracite
Bitumen
Lignite
Peat

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