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Chemical Process

Chemical Process
Which of the following is not a food additive?

Ammonium chloride
Benzoyl peroxide
Citric acid
Invertage

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Chemical Process
Digestion of wood-base materials (for manufacture of pulp) is done to

Prevent deterioration on storage
Remove lignin
None of these
Produce long fibres

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Chemical Process
Kopper-Totzek coal gasifier

Is a moving bed reactor
Operate at very high pressure
Cannot use coking coal
Can give ammonia synthesis gas (H₂ + N₂)

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Chemical Process
Widely used method for the conditioning of boiler feed water is the

Cold lime process
Sequestration
Hot-lime soda process
Coagulation

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Chemical Process
Which form of sulphur is the most stable at room temperature?

Monoclinic
Flowers of sulphur
Rhombic
Plastic

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Chemical Process
__________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant.

Lead
Pyrex
Soda lime
High silica

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