Common salt is generally not produced commonly by __________ method from brine.

Common salt is produced from sea water in India generally by the __________ method.

A

Freeze drying

B

Solar evaporation

C

Electrolytic

D

None of these

Good quality of edible salt is obtained from brine by the process of

A

Solar evaporation

B

Vacuum evaporation

C

Freeze drying

D

Electrolysis

Solution X contains 40% salt and 60% water by weights, Solution Y contains 25% salt and 75% water. If a mixture of X and Y contains 30% salt. What percent of the weight of this mixture is solution X?

A

10%

B

33.3%

C

40%

D

42.5%

Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction?

A

Oxidation of Na⁺ ions

B

Oxidation of Cl^- ions

C

Reduction of Na⁺ ions

D

Reduction of Cl^- ions

Wet chlorine gas produced during electrolysis of brine is dehydrated by

A

Spraying 66° Be H₂SO₄ counter current to the flow of the gas

B

Passing it through a bed of diatomaceous earth

C

Passing it through a bed of silica gel

D

None of these

__________ 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

Brine solution is stored/treated in __________ lined vessels/pipes.

A

Rubber

B

Lead

C

Glass

D

Nickel

Brine refers to :

A

Salt water

B

Sweet water

C

Pure water

D

Starch water

Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water)?

A

Aluminium

B

Copper

C

Titanium

D

Stainless steel

Impurities present in brine is normally removed by treatment with

A

NH₃ and CO₂

B

Lime and soda ash

C

Lime, ammonia and carbon

D

All of the above

Common salt is generally not produced commonly by __________ method from brine.

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