______________ is an ore of lead?
______________ is an ore of lead?
A. Quartz
B. Galena
C. Siderite
D. Chalcopyrite
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Starting raw material for the manufacture of Maleic anhydride is___________________?
Starting raw material for the manufacture of Maleic anhydride is___________________?A. n-butene
B. Benzene
C. Either A. or B.
D. Neither A. nor B.Electric bulbs are made of __________ glass.
Question: Electric bulbs are made of __________ glass.
[A].jena [B].
flint [C].
crookes [D].
pyrex Answer: Option B
Explanation:
No answer description available for this question.
Which is a high grade pulp ?
Which is a high grade pulp ?A. Rag pulp
B. Mechanical pulp
C. Sulphate pulp
D. Sulphite pulpCarboxymethyl cellulose (CMC) is added in detergents to act as a/an
Question: Carboxymethyl cellulose (CMC) is added in detergents to act as a/an
[A].surfactant [B].
builder [C].
optical brightening agent [D].
anti soil redeposition agent Answer: Option D
Explanation:
No answer description available for this question.
Bleaching of paper pulp is done with__________________?
Bleaching of paper pulp is done with__________________?A. Activated clay
B. Bromine
C. Chlorine or chlorine dioxide
D. Magnesium sulphiteOil produced by solvent extraction________________?
Oil produced by solvent extraction________________?A. Has low free fatty acid content
B. Is odourless
C. Both A. & B.
D. Neither A. nor B.