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Chemistry

Chemistry
Major gaseous pollutant of the thermal power station is

SO2
NO2
H2 S
NH3

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Chemistry
When a lead storage battery is discharged,

Sulphuric acid is consumed
Lead sulphate is consumed
SO2 is evolved
Lead is formed

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

LD50
LC50
ADI
NOAEL

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Chemistry
Bone ash contains

Calcium phosphate
Calcium hypophosphate
Phosphoric sulphate
Calcium sulphate

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Chemistry
Saccharin is made up of

Butane
Propane
Phenol
Toluene

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Chemistry
Which among the following is used as a catalyst in the production of high octane fuels?

HF
HNO3
H2SO4
HCl

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