Dacron is a/an _________________?
Dacron is a/an _________________?
A. Polyester
B. Unsaturated polyester
C. Polyamide
D. Inorganic polymer
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Chrome tanning and vegetable tanning are done for ________________?
Chrome tanning and vegetable tanning are done for ________________?A. Light & heavy leather respectively
B. Heavy & light leather respectively
C. Both light & heavy leather
D. Neither light nor heavy leatherMultistage catalytic converter is not used in the
Question: Multistage catalytic converter is not used in the
[A].conversion of SO2 to SO3 [B].
NH3 synthesis reaction. [C].
both (a) & (b). [D].
neither (a) nor (b). Answer: Option B
Explanation:
No answer description available for this question.
Temporary hardness of water can be removed by__________________?
Temporary hardness of water can be removed by__________________?A. Addition of alum (a coagulant)
B. Boiling
C. Filtration (through gravity sand filter)
D. Addition of limePhosphoric acid is prepared from_____________________?
Phosphoric acid is prepared from_____________________?A. Cryolite
B. Chalcopyrite
C. Rock phosphate
D. None of theseThermal pyrolysis of ethylene dichloride produces___________________?
Thermal pyrolysis of ethylene dichloride produces___________________?A. Trichloroethylene
B. Vinyl chloride
C. Ethanol amine
D. Ethylene oxideGun powder uses
Question: Gun powder uses
[A].sulphur [B].
charcoal [C].
potassium nitrate [D].
all (a), (b), & (c) Answer: Option D
Explanation:
No answer description available for this question.