Anion exchanger is regenerated usually with ____________________?
Anion exchanger is regenerated usually with ____________________?
A. NaOH
B. H2SO4
C. Hydrazine
D. Alum solution
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Industrial production of chloroform requires acetone and
Question: Industrial production of chloroform requires acetone and
[A].phosgene [B].
calcium hypochlorite [C].
chlorine [D].
ammonium chloride Answer: Option B
Explanation:
No answer description available for this question.
Function of thinner in a paint is to ______________________ ?
Function of thinner in a paint is to ______________________ ?A. Accelerate the oxidation of oil
B. Prevent gelling of the paint
C. Suspend pigments & dissolve film forming materials
D. Form a protective filmAddition 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.
Oils and fats are converted to soap in a process called _________________?
Oils and fats are converted to soap in a process called _________________?A. Hydrogenation
B. Esterification
C. Saponification
D. None of theseAlcohol content in freshly prepared natural and fortified wine may be respectively around __________ percent.
Question: Alcohol content in freshly prepared natural and fortified wine may be respectively around __________ percent.
[A].7-14 and 14-30 [B].
7-14 and 40-50 [C].
14 – 30 and 40-50 [D].
10 – 20 and 40 – 50 Answer: Option A
Explanation:
No answer description available for this question.
Gypsum is chemically __________________ ?
Gypsum is chemically __________________ ?A. Calcium chloride
B. Potassium sulphate
C. Sodium sulphate
D. Calcium sulphate