____________________ is a thermosetting plastic ?
____________________ is a thermosetting plastic ?
A. Polythene
B. Epoxy polymer
C. P.V.C.
D. Polystyrene
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The purpose of adding Na2CO3 to water of low alkalinity is to__________________?
The purpose of adding Na2CO3 to water of low alkalinity is to__________________?A. Permit the use of alum as a coagulant
B. Increase the softening capacity of zeolite
C. Facilitate easy regeneration of zeolite
D. All A , B. and C.Ethanol amine is produced using ammonia and_________________?
Ethanol amine is produced using ammonia and_________________?A. Ethyl benzene
B. Ethylene oxide
C. Ethanol
D. EthaneAddition of calcium oxide to water produces
Question: Addition of calcium oxide to water produces
[A].exothermic heat [B].
hissing sound [C].
slaked lime [D].
all (a), (b) & (c) Answer: Option D
Explanation:
No answer description available for this question.
Resistance to fusion of the refractory under a steady rising temperature condition is called ____________________ ?
Resistance to fusion of the refractory under a steady rising temperature condition is called ____________________ ?A. Spalling
B. Refractoriness
C. Both A. & B.
D. Neither A. nor B.Metallic soap is ________________ salt of fatty acids ?
Metallic soap is ________________ salt of fatty acids ?A. Sodium
B. Potassium
C. Both sodium & potassium
D. Aluminium or calciumNylon-6 is a
Question: Nylon-6 is a
[A].polyamide [B].
thermosetting resin [C].
polyester [D].
none of these Answer: Option A
Explanation:
No answer description available for this question.