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Chemical Process

Chemical Process
The enzyme which converts starch into the disacharides maltose is

Maltase
Yeast
None of these
Diastase

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Chemical Process
Very fine suspended and colloidal impurities are removed from water by a process called

Coagulation
Sedimentation
Disinfection
Softening

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Chemical Process
In an integrated steel plant, NH₃ present in coke oven gas is normally recovered as

NH₄Cl
Liquid NH₃
(NH₄)2 NO₃
(NH₄)2SO₄

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Chemical Process
Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

-183
-83
-196
-218

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Chemical Process
Prussian blue is chemically represented by

FeO.TiO₂
Ca SO₄ . 2H₂O
Fe₄ [Fe (CN₆)₃]
AlF₃ . 3NaF

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Chemical Process
Paper pulp produced by kraft/sulphate process is

Strong fibrous
Bleached easily
Dull white in color
Dark colored

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