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Chemistry

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

LC50
ADI
NOAEL
LD50

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Chemistry
The main constituent of natural gas is

Ethane
Propane
Butane
Methane

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Chemistry
By-product obtained by soap industry is

Naphthalene
Caustic potash
Caustic soda
Glycerol

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Chemistry
White lung cancer' is caused by

Paper
Asbestos
Silica
Textiles

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Chemistry
Which of the following appeared to be with a significant potential for accumulation through food chains ?

Carbary
DDT
Parathion
Lindane

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Chemistry
The ore which is found in abundance in India is

bauxite
monazite
magnetite
fluorspar

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MORE MCQ ON Chemistry

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