Chemical Process
Enamels

Do not contain pigment
Give good glossy finish
Are prepared from non-drying oil
Are same as varnish

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Chemical Process
Pick out the wrong statement pertaining to solvent extraction of oil.Rate of extraction

Decreases with decrease of thickness of the flakes
Increases Considerably with the rise of temperature
Decreases as the moisture content of flakes increases
Increases with the increasing flake size keeping the flake thickness constant

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Chemical Process
One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to

Remove the coloring matter from the syrup
Improve the rate of crystallisation of sugar
Reduce the viscosity of the syrup
Adjust the pH of the syrup

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