Naphthols are derivates of
Question: Naphthols are derivates of
[A].
methyl amine
naphthalene
phenol
xylene
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
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The hydraulic radius of a circular pipe of diameter ‘d’ flowing full is
Question: The hydraulic radius of a circular pipe of diameter ‘d’ flowing full is
[A].d/4 [B].
d/2 [C].
2d/3 [D].
d/3 Answer: Option A
Explanation:
No answer description available for this question.
Coke oven gas is stripped of its H2S and mercaptans content by
Question: Coke oven gas is stripped of its H2S and mercaptans content by
[A].absorption in wash oil. [B].
adsorption on bog iron bed. [C].
bubbling it through dilute sulphuric acid. [D].
adsorption on silica gel. Answer: Option B
Explanation:
No answer description available for this question.
______________ Nature of hypo (sodium thiosulphate) makes it useful in photography ?
______________ Nature of hypo (sodium thiosulphate) makes it useful in photography ?A. Oxidising
B. Reducing
C. Complex forming
D. PhotochemicalAt very high concentration of enzymes, the rate of fermentation chemical reaction is _____________ the concentration of reactants?
At very high concentration of enzymes, the rate of fermentation chemical reaction is _____________ the concentration of reactants?A. Independent of
B. Directly proportional to
C. Inversely proportional to
D. Proportional to the square ofBoth white phosphorous as well as red phosphorous
Question: Both white phosphorous as well as red phosphorous
[A].are soluble in CS2. [B].
burns when heated in air. [C].
reacts with hot caustic soda solution to give phosphine. [D].
all (a), (b), and (c). Answer: Option B
Explanation:
No answer description available for this question.
Parathion and Malathion are _____________________?
Parathion and Malathion are _____________________?A. Pesticides
B. Plasticisers for unsaturated polyesters
C. Pain-relieving drugs (analgesic)
D. Tranquilisers