Chemical Engineering MCQs

6108 MCQs (Page 152 of 611)

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Which of the following is used as a coagulant in treating turbid water ?

A. Chlorine
B. Ferric sulphate
C. Calcium sulphate
D. Activated carbon

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Trinitro-toluene (TNT) is _________________ ?

A. Used in glycerine manufacture
B. An explosive
C. Used in dye manufacture
D. None of these

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Gypsum is chemically __________________ ?

A. Calcium chloride
B. Potassium sulphate
C. Sodium sulphate
D. Calcium sulphate

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Electro deposition of metals i.e. electroplating is never done on_____________________?

A. Metals
B. Alloys
C. Refractories
D. Non-metals

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A bio-catalyst produced by living cells which acts independent of the cell is called a/an_______________?

A. Substrate
B. Enzyme
C. Nutrient
D. None of these

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Le-Blanc process is a primitive process for the manufacture of___________________?

A. Caustic soda
B. Soda ash
C. Bromine from sea water
D. Hydrochloric acid

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Silicon carbide is a/an_______________?

A. Adhesive
B. Abrasive
C. Type of glass
D. Brittle material

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Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H2O = Fe3O4 + 4H2, is not practised, as it is __________________?

A. A slow reaction
B. A discontinuous reaction (requiring regeneration of iron by water gas intermittently)
C. Still in development stage (by employing fluidised bed technique)
D. All a , b. and c

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Sulphuric acid is mainly used in the _______________ industry ?

A. Fertiliser
B. Steel
C. Paper
D. Paint

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Blue vitriol is chemically___________________?

A. Copper sulphate
B. Ferrous sulphate
C. Copper nitrate
D. Aluminium sulphate

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