A. 5000 to 10000
B. 20000 to 250000
C. 500 to 5000
D. 106 to 109
Molecular weight of plastics ranges from ______________________? Read More »
Chemical Process A. NaOH
B. H2SO4
C. Hydrazine
D. Alum solution
Cation exchanger is regenerated usually with_________________________? Read More »
Chemical Process A. Lead oxide
B. Silica
C. Alumina
D. Soda
Major component of flint glass is_____________________? Read More »
Chemical Process A. Ethyl alcohol
B. Ethylene
C. Both A. & B.
D. Neither A. nor B.
A. Oxidising
B. Reducing
C. Complex forming
D. Photochemical
______________ Nature of hypo (sodium thiosulphate) makes it useful in photography ? Read More »
Chemical Process A. Cationic
B. Anionic
C. Amphoteric
D. Semi polar
A. Phosgene
B. Calcium hypochlorite
C. Chlorine
D. Ammonium chloride
Industrial production of chloroform requires acetone and_____________________? Read More »
Chemical Process A. Red
B. Yellow
C. Violet
D. Black
The most reactive allotropic form of phosphorus is __________________ phosphorus? Read More »
Chemical Process A. Alkaline
B. Acidic
C. Neutral
D. None of these
The manufacture of Kraft pulp is done by a/an _________________ process? Read More »
Chemical Process A. Remove impurities/gangue
B. Enhance rate of reaction
C. Accelerate reduction of ore
D. Separate slag from metal
Flux addition during smelting of ore is done to___________________? Read More »
Chemical Process