Hydrophilic group of a soap or detergent solution is____________________?

Question: In the production of soda ash by Solvay process, the by-product is
[A].

CaCl2

[B].

NH4Cl

[C].

NH3

[D].

NaOH

Answer: Option A

Explanation:

No answer description available for this question.

Question: Magnesium and calcium __________ cause temporary hardness of water.
[A].

carbonates

[B].

bicarbonates

[C].

phosphates

[D].

sulphates

Answer: Option B

Explanation:

No answer description available for this question.

Question: __________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.
[A].

Chlorine

[B].

Ammonium chloride

[C].

Sodium carbonate

[D].

Sodium bi-carbonate

Answer: Option A

Explanation:

No answer description available for this question.

Question: DDT should not be allowed to come in contact with iron (during its manufacture) to
[A].

avoid its decomposition.

[B].

prevent sulphonation of the monochlorobenzene by the acid catalyst.

[C].

achieve non-hygroscopic property.

[D].

none of these.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Catalyst used during the manufacture of ‘Vanaspati Ghee’ is
[A].

zinc

[B].

nickel

[C].

platinum

[D].

copper

Answer: Option B

Explanation:

No answer description available for this question.