A. clay and clinker
B. clay lime stone and gypsum
C. lime stone and gypsum
D. lime stone and clay
Cement is a mixture of________________? Read More »
Chemistry Mcqs, Common Chemical Industries A. 36%
B. 46%
C. 56%
D. 66%
The percentage of nitrogen in urea is________________? Read More »
Chemistry Mcqs, Common Chemical Industries A. CH4 N2 and CO2
B. H2 N2 and CO
C. H2 CO2 and H2O
D. H2O N2 and H2
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
