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CHEMICAL PROCESS

Chemical Process
Which of the following is an endothermic reaction?

Absorption of SO₃ in 98% H₂SO₄
Thermal dissociation of iron pyrites
Both B and C
C + H₂O = CO + H₂

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Chemical Process
Salt is added in the kettle during soap manufacture to separate

The metallic soap
Soap from lye
The unsaponified fat from soap
Glycerine from lye

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Chemical Process
High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to

Flocculate the impurities
Both A and B
Facilitate fast filtration
Neither A nor B

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Chemical Process
During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to

None of these
Avoid corrosion
Increase the rate of absorption
Reduce the cooling water circulation rate

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Chemical Process
Glass is

Mainly CaO
All of these
Subjected to galvanising
A super cooled liquid

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