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Chemistry

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

ADI
LD50
LC50
NOAEL

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Chemistry
The element with highest ionization potential is

Boron
Carbon
Oxygen
Helium

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Chemistry
Which one of the following is most acidic

Al22O3
MgO
CaO
Na2O

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Chemistry
The element used in the manufacture of safety matches is

Magnesium
Sulphur
Phosphorous
Silicon

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Chemistry
Aspirin is common name of

Methyl Salicylate
Salicylic Acid
Acetyl Salicylic Acid
Salicylate

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Chemistry
Which one of the following is extensively used for sterilizing water ?

Soda powder
Bleaching powder
Borax powder
Alum

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MORE MCQ ON Chemistry

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