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Chemical Process

Chemical Process
Which of the following is the second major component of cement?

Al₂O₃
Fe₂O₃
CaO
SiO₂

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Chemical Process
Percentage of alcohol in beer may be around __________ percent.

1-4
27-32
18-23
2-8

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Chemical Process
Fermentator temperature during production of alcohol from molasses is around __________ °C.

5
150
300
30

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Chemical Process
Cooking liquor in case of sulphite process is

None of these
Sodium sulphite and sodium bisulphite
Magnesium sulphate and magnessium bicarbonate
Magnesium sulphite and free SO₂ in acid medium

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Chemical Process
Extraction of __________ employs an electrolytic process.

Copper
All of these
Aluminium
Silver

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Chemical Process
__________ acid is the main constituent of cotton seed oil.

Acetic
Linoleic
Palmitic
Oleic

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