A. Increase the density of cement
B. Decrease the cement setting rate
C. Both A. and B.
D. Neither A. nor B.
The function of gypsum addition during cement making is to_________________? Read More »
Chemical Process A. As a rocket fuel
B. In water treatment
C. As a disinfectant
D. As fire retardant
Main use of hydrazine is___________________? Read More »
Chemical Process A. Styrene
B. Naphthalene
C. Phenol
D. Benzoic acid
Dehydrogenation of ethyl benzene produces __________________ ? Read More »
Chemical Process A. Alum
B. Washing soda
C. Soda ash
D. Calcium carbide
In primitive days, _____________ was being manufactured by Leblanc Process ? Read More »
Chemical Process A. Solar evaporation
B. Vacuum evaporation
C. Freeze drying
D. Electrolysis
Good quality of edible salt is obtained from brine by the process of__________________? Read More »
Chemical Process A. Styrene
B. Ethyl alcohol
C. Cumene
D. Phenol
______________ is produced by the dehydrogenation of ethyl benzene ? Read More »
Chemical Process A. Formaldehyde
B. Phenol
C. Acetone
D. Maleic anhydride
Catalytic oxidation-dehydrogenation of methyl alcohol produces__________________? Read More »
Chemical Process A. Reduction
B. Desorption
C. Nitration
D. Combustion
A unit operation is exemplified by the process of ___________________? Read More »
Chemical Process A. Maltose
B. Starch
C. Sucrose
D. Glucose
____________ is a polysaccharide? Read More »
Chemical Process
مزکی .❶
عبدالقادر .❷
مجیب .❸
مظہر .❹
حضور ؐ کا تیسرے آسمان پر اسم مبارک کیا ہے ______ ؟ Read More »
ISLAMIYAT-URDU