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Chemistry

Chemistry
Which of the following is the best fuel in terms of energy released per gram of fuel?

Ethanol
Methane
Hydrogen
Butane

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Chemistry
The source of energy that causes the least global warming is

Coal
Natural Gas
Petroleum
Geothermal energy

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Chemistry
Nitrification is the biological process of converting

N2 into nitrate
Ammonia into nitrite
N2into nitrite
Ammonia into N2

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Chemistry
'Atomic theory' of matter was given by

Dalton
Newton
Avogadro
Pascal

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Chemistry
The depletion of Ozone layer is mainly due to

Aviation fuels
Volcanic eruptions
Radioactive rays
Chlorofluorocarbons

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Chemistry
Concentration of a material which is lethal to 50% animal is called

LC50
NOAEL
LD50
ADI

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MORE MCQ ON Chemistry

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