Sugar content in sugarcane on cane basis is about _______________ percent by weight ?
A. 1 to 5
B. 5 to 10
C. 15 to 20
D. 20 to 30
Chemical Process
Hydrazine is used in water treatment for the removal of___________________?
Hydrazine is used in water treatment for the removal of___________________?
A. Colloidal impurities
B. Dissolved oxygen
C. Turbidity
D. Chlorinous taste
___________________ glass is used for the manufacture of optical glass ?
___________________ glass is used for the manufacture of optical glass ?
A. Pyrex
B. Soda
C. Flint
D. Crooke’s
Synthesis gas is a mixture of__________________?
Synthesis gas is a mixture of__________________?
A. CO and H2
B. N2 and H2
C. H2, CH4 and CO
D. CO2 and H2
Which of the following is an yellow pigment ?
Which of the following is an yellow pigment ?
A. Titanium dioxide
B. Ferrous sulphate
C. Lead chromates
D. Zinc sulphides
Hydrazine (N2H4) is used mainly as a/an__________________?
Hydrazine (N2H4) is used mainly as a/an__________________?
A. Explosive
B. Rocket fuel
C. Detergents additive
D. None of these
Dacron is a ___________________?
Dacron is a ___________________?
A. Condensation product of Hexamethylene diamine and adipic acid
B. Thermosetting material
C. Condensation product of dimethyl terephthalate and ethylene glycol
D. None of these
Fat dispersed in water is exemplified by__________________?
Fat dispersed in water is exemplified by__________________?
A. Colloids
B. Gel
C. Butter
D. Emulsion
Zeigler process__________________?
Zeigler process__________________?
A. Produces high density polyethylene
B. Produces low density polyethylene
C. Uses no catalyst
D. Employs very high pressure
99.5% purity oxygen is used in_____________________?
99.5% purity oxygen is used in_____________________?
A. Cutting and welding by oxy-acetylene flame
B. Hospitals for medicinal purposes
C. Gas masks and artificial breathing apparatus
D. All A, B, and C.