Chemical Process - Practice Test

[#241] Which of the following is a detergent?

(A) Benzene hexachloride

(B) Alkyl benzene sulphonate

(C) Polytetraflouroethylene

(D) Cellulose nitrate

(E) Fatty alcohol

(F) Alkyl benzene sulphonate (ABS)

(G) Fatty acids

(H) Methylene chloride

Correct Answer

(B) Alkyl benzene sulphonate
(F) Alkyl benzene sulphonate (ABS)

[#242] The main use of HCl is in the

(A) Drilling of petroleum wells and pickling of steel sheets

(B) Manufacture of cationic detergent

(C) Treatment of spent fuel of nuclear reactor

(D) None of these

Correct Answer

(A) Drilling of petroleum wells and pickling of steel sheets

[#243] The major use of butadiene is

(A) As a plasticiser for unsaturated polyester

(B) In the manufacture of synthetic rubber

(C) As an anti-skinning agent in paint

(D) None of these

Correct Answer

(B) In the manufacture of synthetic rubber

[#244] One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to

(A) Adjust the pH of the syrup

(B) Remove the coloring matter from the syrup

(C) Reduce the viscosity of the syrup

(D) Improve the rate of crystallisation of sugar

Correct Answer

(A) Adjust the pH of the syrup

[#245] The most commonly used substance to speed up the sedimentation of sewage is

(A) Lime

(B) Sulphuric acid

(C) Chlorine

(D) Sodium bisulphite

Correct Answer

(A) Lime

Chemical Process - Study Mode

[#241] Which of the following is a detergent?

Correct Answer

[#242] The main use of HCl is in the

Correct Answer

[#243] The major use of butadiene is

Correct Answer

[#244] One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to

Correct Answer

[#245] The most commonly used substance to speed up the sedimentation of sewage is

Correct Answer