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Chemistry

Chemistry
L.P.G. is mostly liquefied

Methane
Hydrogen
Butane
Oxygen

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Chemistry
Which of the following is a natural polymer?

Bakelite
Polythene
Starch
Nylon

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Chemistry
Among the fuels given below, the one with highest calorific value is

Wood
Coke
Coal
Natural gas

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Chemistry
The example of oligosaccharide is

Sucrose
Ribose
Glucose
Cellulose

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Chemistry
Burning pyrites ore gives out

Carbon dioxide gas
Nitric oxide gas
Nitrogen dioxide gas
Sulphur dioxide gas

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Chemistry
Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives

Copper at cathode and oxygen at anode
Hydrogen at cathode and oxygen at anode
Copper at cathode and anodes dissolve to give copper
Copper at anode and oxygen at cathode.

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