A. 4
B. 3
C. 2
D. 5
How many zones through which the charge passes in a rotary kiln ? Read More »
Chemistry Mcqs, Common Chemical Industries A. dry process
B. wet process
C. both
D. none
Which of the following processes is used for the synthesis of cement ? Read More »
Chemistry Mcqs, Common Chemical Industries A. lime stone
B. marble
C. chalk
D. all of the above
Calcarious material includes_________________? Read More »
Chemistry Mcqs, Common Chemical Industries A. 60%
B. 65%
C. 70%
D. 75%
DAP (Diammonium hydrogen phosphate) contains ______________ plant nutrients? Read More »
Chemistry Mcqs, Common Chemical Industries A. prilling
B. evaporation
C. condensation
D. crystallization
The cooling of molten urea by air in the tower is called______________________? Read More »
Chemistry Mcqs, Common Chemical Industries A. endothermic
B. exothermic
C. both a and b
D. no heat energy is involved
Addition of urea to the soil is ____________ reaction? Read More »
Chemistry Mcqs, Common Chemical Industries A. straight
B. compound
C. both a and b
D. none of the above
A. Rotation of the crops
B. Adding lime to the acid salts
C. Adding manure and growing legumes
D. All
The fertility of the soil is improved by________________? Read More »
Chemistry Mcqs, Common Chemical Industries