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Chemical Process

Chemical Process
Litharge is

Lead oxide
Zinc oxide
Zinc sulphide
Cellulosic photographic material

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Chemical Process
Which of the following processes can remove both temporary as well as permanent hardness of water?

None of these
Boiling
Distillation
Filtration

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

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

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Chemical Process
Vegetable oils and fats basically differ in their

Physical state
Density ranges
Chemical composition
Chemical properties

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Chemical Process
Pure rectified spirit contains about __________ percent alcohol.

95
99.5
45
70

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Chemical Process
Essential oils are usually obtained using

Extractive distillation
Solvent extraction
Steam distillation
Leaching

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MORE MCQ ON Chemical Process

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