A. 80
B. 90
C. 98
D. 100
A. Dehydrogenation
B. Oxidation
C. Alkylation
D. Dehydration
Styrene is produced from ethyl benzene by the process of__________________? Read More »
Chemical Process A. Plaster of Paris
B. Salt cake
C. Nitre cake
D. Lime
Calcination of gypsum produces__________________? Read More »
Chemical Process A. 20% oleum
B. 65% oleum
C. 78% H2SO4
D. 98% H2SO4
Which is the most efficient absorbent for SO3 out of the following ? Read More »
Chemical Process A. Avoid its decomposition
B. Prevent sulphonation of the monochlorobenzene by the acid catalyst
C. Achieve non-hygroscopic property
D. None of these
A. Film forming materials
B. Plasticisers
C. Diluents
D. Solvents
A. SO2
B. H2SO3
C. SO3
D. H2SO4
10% oleum comprises of 10% free_________________? Read More »
Chemical Process
مزکی .❶
مجیب .❷
عبدالقدوس .❸
مظہر .❹
حضور ؐ کا چوتھے آسمان پر اسم مبارک کیا ہے ________؟ Read More »
ISLAMIYAT-URDU A. Alumina
B. Silica gel
C. Platinum
D. Nickel
A. Nickel
B. Platinum
C. Iron
D. Alumina
Catalyst used in the hydrogenation of oil is_________________? Read More »
Chemical Process