Chemistry
Ammonial is a mixture of

Aluminium powder and ammonium nitrate
Aluminium powder and ammonium sulphate
Aluminium powder and potassium nitrate
Aluminium powder and ammonium chloride

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Chemistry
The main use of salt in the diet is to

increase the solubility of food particles in water
make the taste of food better
produce in small amounts the hydrochloric acid required for the digestion of food
ease the process of cooking

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