Chemical Process
Alcohol content in freshly prepared natural and fortified wine may be respectively around __________ percent.

7-14 and 40-50
7-14 and 14-30
10 - 20 and 40 - 50
14 - 30 and 40-50

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Chemical Process
In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst

Has a longer life and is not poisoned by arsenic
Gives higher conversion efficiency
Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant
All of these

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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

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

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