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Chemical Process

Chemical Process
Fusion of bauxite and __________ produces high alumina cement.

Limestone
Coke
Alum
Quartz

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Chemical Process
All enzymes are made of

Proteins
Fats
Amino acids
Carbohydrates

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Chemical Process
__________ is not a constituent of gun powder.

Potassium nitrate
Sulphur
Carbon
Charcoal

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Chemical Process
Chloral is used in the manufacture of

Parathion
BHC
DDT
None of these

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Chemical Process
Calcination of gypsum produces

Plaster of paris
Lime
Salt cake
Nitre cake

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Chemical Process
Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

-218
-183
-83
-196

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