Which is the most suitable dye for synthetic fibres ?
Which is the most suitable dye for synthetic fibres ?
A. Acid dye
B. Azoic dye
C. Pigment dye
D. Mordant dye
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Kaolin is a/an _____________________?
Kaolin is a/an _____________________?A. Refractory material
B. Synthetic resin
C. Artificial abrasive
D. Blue pigmentChemical formula of oleum is
Question: Chemical formula of oleum is
[A].H2SO3 [B].
H2SO4 [C].
H2S2O7 [D].
H2SO7 Answer: Option C
Explanation:
No answer description available for this question.
Magnesium and calcium __________ cause temporary hardness of water.
Question: Magnesium and calcium __________ cause temporary hardness of water.
[A].carbonates [B].
bicarbonates [C].
phosphates [D].
sulphates Answer: Option B
Explanation:
No answer description available for this question.
__________ acid is an unsaturated fatty acid.
Question: __________ acid is an unsaturated fatty acid.
[A].Palmitic [B].
Oleic [C].
Stearic [D].
Oxalic Answer: Option B
Explanation:
No answer description available for this question.
Concentration of NaOH solution produced by diaphragm electrolytic cell is about _______________ percent?
Concentration of NaOH solution produced by diaphragm electrolytic cell is about _______________ percent?A. 10
B. 25
C. 50
D. 98Coagulant is used _________________ filtration?
Coagulant is used _________________ filtration?A. Before
B. After
C. During
D. To avoid