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Chemical Process

Chemical Process
Catalyst used in the hydrogenation of oil is

Iron
Platinum
Nickel
Alumina

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Chemical Process
Alcohol percentage in molasses may be around

70
85
10
40

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Chemical Process
Sea weeds are an important source of

Fluorine
Chlorine
Bromine
Iodine

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Chemical Process
Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.

-5 to 0
30 to 50
5 to 10
75 to 80

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Chemical Process
Lime and soda ash are added to water to remove

Bicarbonates & sulphates of calcium and magnesium
Its corrosiveness
Undersirable taste and odour
Bacteria

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Chemical Process
Chemical formula of 'salt cake' is

MgSO₄
Na₂SO₄
BaSO₄
CaSO₄

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MORE MCQ ON Chemical Process

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