Phosphate rock is a raw material for the manufacture of

Question

Phosphate rock is a raw material for the manufacture of

A. Phosphoric acid

B. Phosphorous

C. Superphosphates

D. All (A), (B) and (C)

Share this question with your friends

Show all Chemical Process MCQ

Comment

Litharge is

A. Lead oxide

B. Zinc oxide

C. Zinc sulphide

D. Cellulosic photographic material

Discuss this answer

Sodium chloride content in sea water is about __________ gms/litre.

A. 2

B. 10

C. 25

D. 50

Discuss this answer

Which is the most efficient absorbent for SO₃ out of the following?

A. 20% oleum

B. 65% oleum

C. 78% H₂SO₄

D. 98% H₂SO₄

Discuss this answer

Favourable conditions for the liquefaction of gases in general are

A. High pressure & low temperature

B. Low pressure & high temperature

C. High pressure & high temperature

D. Low pressure & low temperature

Discuss this answer

Naphthols are derivates of

A. Methyl amine

B. Naphthalene

C. Phenol

D. Xylene

Discuss this answer

Prussian blue is chemically represented by

A. FeO.TiO₂

B. Ca SO₄ . 2H₂O

C. Fe₄ [Fe (CN₆)₃]

D. AlF₃ . 3N_aF

Discuss this answer

Dense soda ash used in the manufacture of glass, is chemically represented by

A. Na₂CO₃

B. Na₂CO₃.10H₂O

C. Na₂CO₃.H₂O

D. Na₂HCO₃

Discuss this answer

Baking soda is chemically represented by

A. Na₂CO₃

B. NaHCO₃

C. Na₂CO₃.H₂O

D. Na₂CO₃.10H₂O

Discuss this answer

Higher viscosity index of a lubricating oil denotes

A. Less changes in fluidity of oil with temperature

B. Substantially high change in fluidity of oil with temperature

C. Its unsuitability under varying temperature conditions

D. None of these

Discuss this answer

Chemical name of Grignard reagent is

A. Sodium thiosulphate

B. Ethyl magnesium chloride

C. Sodium sulphite

D. Sodium bicarbonate

Discuss this answer

Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine?

A. Na₂CO₃

B. NaHCO₃

C. H₂

D. None of these

Discuss this answer

Pick out the wrong statement.

A. Low intensity explosives are also called propellants, whereas high intensity explosive are called detonators

B. Gun powder comprises of 75% salt petre, 15% charcoal and 10% sulphur

C. Lead azide is a popular military explosive

D. TNT is a hygroscopic explosive having very high melting point and is non-toxic to human being

Discuss this answer

Lime and soda ash are added to water to remove

A. Bicarbonates & sulphates of calcium and magnesium

B. Undesirable taste and odour

C. Bacteria

D. Its corrosiveness

Discuss this answer

Bleaching action of bleaching powder is due to its __________ properties.

A. Reducing

B. Oxidising

C. Disinfecting

D. None of these

Discuss this answer

Roasting of metallurgical ores is done mainly to

A. Dehydrate it

B. Sinter the ore

C. Remove CO₂ & H₂O

D. Remove arsenic & sulphur

Discuss this answer

Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an

A. Explosive

B. Soap

C. Detergent

D. Analgesic drug

Discuss this answer

Presence of sodium tripolyphosphate (an additive) in synthetic detergent

A. Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions)

B. Inhibits its corrosive effects

C. Does not allow redeposition of dirt on the cleaned surface

D. None of these

Discuss this answer

Fourdrinier machine is used in the manufacture of

A. Nylon-6

B. Paper

C. Antibiotics

D. Sugar

Discuss this answer

Solvay process is used for the manufacture of

A. Caustic soda

B. Soda ash

C. Caustic potash

D. Soda lime

Discuss this answer

Transparent soaps (e.g. Pears) are

A. Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and finally washed with methylated spirit to achieve transparency

B. Metallic soaps with frothing agent and free Stearic acid to achieve transparency

C. Metallic soaps with frothing agent from which glycerine has not been recovered

D. None of these

Discuss this answer

Helium is produced on commercial scale from

A. Air

B. Natural gas

C. Coke oven gas

D. None of these

Discuss this answer

Neon gas is

A. Flammable in nature

B. Used in color discharge tube

C. Filled in lamps having tungsten filament

D. All (A), (B) and (C)

Discuss this answer

In the Lurgi coal gasifier

A. Coking coals cannot be used

B. Low carbon conversion efficiency is achieved

C. Entrainment of solids is higher

D. Large quantity of coal can be processed

Discuss this answer

In the production of soda ash by Solvay process, the by-product is

A. CaCl₂

B. NH₄Cl

C. NH₃

D. NaOH

Discuss this answer

Fourdrinier machine is used in the manufacture of

A. Sugar

B. Paper

C. Alcohol from molasses

D. Phenol formaldehyde

Discuss this answer

Molasses is the starting material for the production of

A. Alcohol

B. Essential oil

C. Fatty acids

D. Massecuite

Discuss this answer

Calcareous & argillaceous materials are used in the manufacture of

A. Lead

B. Cement

C. Carbon disulphide

D. None of these

Discuss this answer

Boiling of water containing temporary hardness produces

A. CO₂

B. CaSO₄

C. CaHCO₃

D. None of these

Discuss this answer

Which form of sulphur is the most stable at room temperature?

A. Plastic

B. Monoclinic

C. Rhombic

D. Flowers of sulphur

Discuss this answer

Phthalic anhydride is used

A. In making PVC

B. As plasticisers

C. In insecticides manufacture

D. For making nylon-6

Discuss this answer

Accepted Answer

D. All (A), (B) and (C)

Phosphate rock is a raw material for the manufacture of

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Litharge is

Sodium chloride content in sea water is about __________ gms/litre.

Which is the most efficient absorbent for SO₃ out of the following?

Favourable conditions for the liquefaction of gases in general are

Naphthols are derivates of

Prussian blue is chemically represented by

Dense soda ash used in the manufacture of glass, is chemically represented by

Baking soda is chemically represented by

Higher viscosity index of a lubricating oil denotes

Chemical name of Grignard reagent is

Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine?

Pick out the wrong statement.

Lime and soda ash are added to water to remove

Bleaching action of bleaching powder is due to its __________ properties.

Roasting of metallurgical ores is done mainly to

Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an

Presence of sodium tripolyphosphate (an additive) in synthetic detergent

Fourdrinier machine is used in the manufacture of

Solvay process is used for the manufacture of

Transparent soaps (e.g. Pears) are

Helium is produced on commercial scale from

Neon gas is

In the Lurgi coal gasifier

In the production of soda ash by Solvay process, the by-product is

Fourdrinier machine is used in the manufacture of

Molasses is the starting material for the production of

Calcareous & argillaceous materials are used in the manufacture of

Boiling of water containing temporary hardness produces

Which form of sulphur is the most stable at room temperature?

Phthalic anhydride is used

Also checkout

Phosphate rock is a raw material for the manufacture of

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Litharge is

Sodium chloride content in sea water is about __________ gms/litre.

Which is the most efficient absorbent for SO3 out of the following?

Favourable conditions for the liquefaction of gases in general are

Naphthols are derivates of

Prussian blue is chemically represented by

Dense soda ash used in the manufacture of glass, is chemically represented by

Baking soda is chemically represented by

Higher viscosity index of a lubricating oil denotes

Chemical name of Grignard reagent is

Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine?

Pick out the wrong statement.

Lime and soda ash are added to water to remove

Bleaching action of bleaching powder is due to its __________ properties.

Roasting of metallurgical ores is done mainly to

Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an

Presence of sodium tripolyphosphate (an additive) in synthetic detergent

Fourdrinier machine is used in the manufacture of

Solvay process is used for the manufacture of

Transparent soaps (e.g. Pears) are

Helium is produced on commercial scale from

Neon gas is

In the Lurgi coal gasifier

In the production of soda ash by Solvay process, the by-product is

Fourdrinier machine is used in the manufacture of

Molasses is the starting material for the production of

Calcareous & argillaceous materials are used in the manufacture of

Boiling of water containing temporary hardness produces

Which form of sulphur is the most stable at room temperature?

Phthalic anhydride is used

Also checkout

Which is the most efficient absorbent for SO₃ out of the following?