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Chemistry

Chemistry
In silvery paints, the main constituent present is

Silver powder
White lead
Lead powder
Aluminium powder

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Chemistry
The inherited traits of an organism are controlled by

DNA molecules
nucleotides
RNA molecules
enzymes

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Chemistry
Which of the following is used as a preservative to protect processed food?

Sodium metabisulphite
Sodium sulphate
Saccharin
BHT

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Chemistry
Chile saltpeter is the common name of:

Potassium nitrate
Potassium nitrite
Sodium nitrate
Sodium nitrite

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Chemistry
The important ore of aluminium is

Fluorspar
Cryolite
Bauxite
Haematite

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Chemistry
Cyanide poisoning causes death in seconds because

It causes cardiac arrest
It denatures enzymes of the heart/muscle
It causes Lysis of red blood cells
It breaks the electron transport chain

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