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Chemistry

Chemistry
Submarines move under water. They have engines that run on

Batteries
Steam
Diesel
Petrol and oxygen

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Chemistry
The octane number of zero is assigned to

n-heptane
2-methyl octane
iso-octane
3-methyl octane

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Chemistry
Sea water can be purified by the process of

Fractional distillation
Distillation
Filtration
Evaporation

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

4J
Infinity
2J

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Chemistry
The most extensive, commercially useful source of thorium as monazite sand occurs in India at

Travancore coast
West Bengal coast
Orissa coast
Gujarat coast

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Chemistry
Water can be separated from alcohol water mixture by

Distillation
Sublimation
Decantation
Evaporation

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MORE MCQ ON Chemistry

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