The boiling of fat and aqueuous caustic soda is referred to as
Hydrolysis
Esterification
Acidification
Saponification
To what temperature must a gas at 273K be heated in order to double both its volume and pressure
298K
546K
819K
1092K
The separation of oxygen from nitrogen by fractional distillation of air is possible because
Nitrogen is less dense than oxygen
Oxygen is more reactive than nitrogen
Of the difference in their boiling points
They belong to the same period
Which of the following substances does not have van der Waal's forces?
Copper
Graphite
Neon
Iodine crystals
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