Question: Baking soda is chemically represented by
[A].Na2CO3
NaHCO3
Na2CO3.H2O
Na2CO3.10H2O
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Chemical Process
Le-Blanc process is a primitive process for the manufacture of
Question: Le-Blanc process is a primitive process for the manufacture of
[A].caustic soda
soda ash
bromine from sea water
hydrochloric acid
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to
Question: During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to
[A].increase the rate of absorption.
avoid corrosion.
reduce the cooling water circulation rate.
none of these.
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Nicotine is
Question: Nicotine is
[A].a volatile alkaloid.
obtained by treating by-products of the tobacco processing industry.
both (a) and (b).
neither (a) nor (b).
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Parathion and Malathion are
Question: Parathion and Malathion are
[A].pesticides.
plasticisers for unsaturated polysters.
pain-relieving drugs (analgesic).
tranquilisers.
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Margarine is a/an
Question: Margarine is a/an
[A].fat
explosive
plasticiser
rocket propellant
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Fusel oil is a/an
Question: Fusel oil is a/an
[A].essential oil.
extract from medicinal herbs.
mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses).
none of these.
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Fourdrinier machine is used in the manufacture of
Question: Fourdrinier machine is used in the manufacture of
[A].sugar
paper
alcohol from molasses
phenol formaldehyde
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Permanent hardness of water can be removed by
Question: Permanent hardness of water can be removed by
[A].simply boiling.
adding alum.
passing it through cation & anion exchangers.
all (a), (b) and (c).
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Most widely and commonly used coagulant for the removal of suspended impurities in water is
Question: Most widely and commonly used coagulant for the removal of suspended impurities in water is
[A].bleaching powder
slaked lime
alum
copper sulphate
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.