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Chemical Process

Chemical Process
Alcohol percentage in molasses may be around

70
85
40
10

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Chemical Process
Portland cement consists mainly of

CaO & Al2O₃
SiO₂ & Al2O₃
CaO & FE₂O₃
CaO & SiO₂

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Chemical Process
Superior quality laboratory apparatus is made of the __________ glass having low thermal co-efficient of expansion & high chemical resistance.

Flint
Pyrex
Potash
Soda

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Chemical Process
__________ of rubber decreases after its vulcanisation.

Tensile strength
Resistance to the action of organic solvent
Maximum service temperature
Tackiness

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Chemical Process
Fish contains about __________ percent oil.

10
5
35
20

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Chemical Process
The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.

4000
8500
800
1600

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