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CHEMISTRY

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

LC50
ADI
LD50
NOAEL

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Chemistry
The major harmful gas emitted by automobile vehicle which causes air pollution is

Carbon dioxide
Ozone gas
Methane
Carbon Monoxide

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Chemistry
The major harmful gas emitted by automobile vehicles which causes air pollution is

Carbon Monoxide
Ozone gas
Carbon dioxide
Methane

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Chemistry
Normal rainwater is slightly acidic due to the presence of

Carbon dioxide
Methane
None of these
Sulphur dioxide

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Chemistry
Global warming is mainly due to accumulation of

Carbon dioxide
Carbon monoxide
Oxides of nitrogen
Oxides of sulphur

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