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Chemical Process

Chemical Process
Fermentation of molasses to produce ethyl alcohol is done at __________ °C

< - 5
20 - 30
250 - 300
100 - 150

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Chemical Process
Systemic insecticides

Are stomach poisons
Kill insects following external bodily contact
Emit poisonous vapour
Are absorbed throughout the plant

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Chemical Process
In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed :

Converter → furnace → absorber
Furnace → converter → evaporator
Furnace → evaporator → absorber
Furnace → converter → absorber

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Chemical Process
Nitroglycerene absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as a controlled explosive called dynamite. The raw material used for its manufacture are glycerene, nitric acid and

Hydrochloric acid
Hydroflouric acid
Phosphoric acid
Sulphuric acid

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Chemical Process
An oil is converted into fat by its

Hydrogenation
Hydration
Hydrocracking
Hydrolysis

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Chemical Process
Basic oxide is absent in __________ glass.

Quartz
Pyrex
Flint
All of these

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MORE MCQ ON Chemical Process

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