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CHEMISTRY

Chemistry
Alum stops bleeding in minor cuts because of

Emulsion
Coagulation
Dialysis
Solvation

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Chemistry
The chemical name of 'Hypo' commonly used in photography is

Sodium nitrate
Sodium thiosulphate
Silver nitrate
Silver iodide

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Chemistry
Interveinal necrotic spots on leaves appear due to

O3injury
NO2injury
HF injury
SO2injury

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Chemistry
The main component of liquid bleach is:

Hydrochloric acid
Sodium hypochlorate
Sodium chloride
Sodium hypochlorite

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Chemistry
Quartz is made of

Sodium Sulphate
Sodium Silicate
Calcium Silicate
Calcium Sulphate

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