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Chemistry

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

Wood
Natural gas
Coal
Coke

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Chemistry
What is the atomic number of mercury

32
63
80
41

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Chemistry
Two moles of an ideal gas expand freely into vacuum. The work done by the gas is

Infinity
4J
2J

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Chemistry
Aspirin is common name of

Salicylate
Acetyl Salicylic Acid
Salicylic Acid
Methyl Salicylate

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Chemistry
The inherited traits of an organism are controlled by

RNA molecules
nucleotides
DNA molecules
enzymes

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Chemistry
Which of the following in automobile exhaust can cause cancer?

Lead
Carbon monoxide
Oxides of nitrogen
Polyclinic hydrocarbons

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