Chemical Process
Vegetable oils and fats basically differ in their

Physical state
Density ranges
Chemical properties
Chemical composition

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Chemical Process
Pick out the true statement pertaining to water treatment.

Application of activated carbon reduces the temporary hardness of water
Activated carbon can be used for taste & odour control without subsequent filtration
Slow sand filters can remove colour completely
Normally, the turbidity is removed by adding a coagulent prior to sedimentation

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