Coagulant is used _________________ filtration?
Coagulant is used _________________ filtration?
A. Before
B. After
C. During
D. To avoid
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Coke used for the production of calcium carbide should have
Question: Coke used for the production of calcium carbide should have
[A].low ash content. [B].
low ignition temperature. [C].
high electrical resistivity. [D].
all (a), (b) and (c). Answer: Option D
Explanation:
No answer description available for this question.
Hard water
Question: Hard water
[A].does not affect the lather formation by soap. [B].
is not unfit for drinking purpose. [C].
pollutes the water stream. [D].
all (a), (b) and (c). Answer: Option B
Explanation:
No answer description available for this question.
Blue colour is imparted to glass by the addition of__________________?
Blue colour is imparted to glass by the addition of__________________?A. FeSO4
B. PbO
C. CaO
D. NaOHAll enzymes are made of______________________?
All enzymes are made of______________________?A. Fats
B. Carbohydrates
C. Proteins
D. Amino acidsMassecuite is ___________________?
Massecuite is ___________________?A. Used for paper making
B. Used as a cattle feed
C. Highly acidic in nature
D. None of theseLaboratory glass wares which reacts with hydrofluoric acid, are made of the ______________ glass?
Laboratory glass wares which reacts with hydrofluoric acid, are made of the ______________ glass?A. Lead
B. Borosilicate
C. Soda lime
D. Alkali silicate