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CHEMISTRY

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

Protons and electrons
Protons and neutrons
Electrons
Protons

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Chemistry
Cooking gas is a mixture of

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

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Chemistry
Thermal electricity is generated by using which of these ?

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

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

Butane
Propane
Methane
Ethane

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

Bitumen
Lignite
Anthracite
Peat

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