Chemical Engineering MCQs

6108 MCQs  (Page 104 of 611)

Glauber’s salt is chemically ?
A. Calcium sulphate
B. Potassium sulphate
C. Potassium chlorate
D. None of these
Sulphuric acid completely saturated with sulphur trioxide is called_________________?
A. Concentrated sulphuric acid
B. Oleum
C. Sulphurous acid
D. Dilute sulphuric acid
Which of the following is an ore of iron ?
A. Galena
B. Chalcopyrite
C. Hematite
D. Bauxite
Naphthalene is removed from coke oven gas by ________________________?
A. Adsorbing on palladium
B. Absorbing in ethanolamine
C. Scrubbing with wash oil
D. Passing it through electrostatic precipitator
Enzymes are_________________?
A. Proteins with high molecular weight (around 10,000)
B. Derived from living organisms
C. Catalyst for temperature sensitive reactions
D. All a, b. and c.
In Kraft process of paper manufacture, white cooking liquor consists of caustic soda________________?
A. Sodium sulphide & sodium carbonate
B. Sodium sulphite & sodium carbonate
C. Sodium sulphite & sodium sulphide
D. None of these