Chemical Process - Study Mode

Show All Answers

[#406] Anion exchanger is regenerated usually with

(A) NaOH

(B) H 2 SO 4

(C) Hydrazine

(D) Alum solution

Correct Answer

(A) NaOH

[#407] Cation exchanger is regenerated usually with

(A) NaOH

(B) H 2 SO 4

(C) Hydrazine

(D) Alum solution

Correct Answer

(B) H 2 SO 4

[#408] Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the

(A) Fertiliser manufacture

(B) Car battery solution

(C) Synthesis of oleum

(D) Water treatment

Correct Answer

(B) Car battery solution

[#409] Glycerine is recovered from lye by

(A) Evaporation followed by vacuum distillation

(B) Liquid extraction technique

(C) Extractive distillation technique

(D) None of these

Correct Answer

(A) Evaporation followed by vacuum distillation

[#410] Phenol formaldehyde is produced by condensation polymerisation. It is also known as

(A) Teflon

(B) Bakelite

(C) Polyester

(D) Nylon-66

Correct Answer

(B) Bakelite