Gypsum is chemically

Question

Gypsum is chemically

A. Calcium chloride

B. Potassium sulphate

C. Sodium sulphate

D. Calcium sulphate

Share this question with your friends

Show all Chemical Process MCQ

Comment

The process used for the manufacture of ethyl alcohol from molasses is

A. Distillation

B. Dehydration

C. Dehydrogenation

D. None of these

Discuss this answer

Which of the following processes does not produce Cl2 as a co-product during the manufacture of caustic soda?

A. Diaphragm electrolytic cell process

B. Mercury electrolytic cell process

C. Lime-soda process

D. None of these

Discuss this answer

Polythene is a/an __________ polymerisation product.

A. Addition

B. Condensation

C. Thermosetting

D. None of these

Discuss this answer

Varnish does not contain

A. Pigment

B. Thinner

C. Dryer

D. Anti-skimming agent

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

Ultimate analysis of coal determines its __________ content.

A. Carbon, hydrogen, nitrogen & sulphur

B. Carbon, ash, sulphur & nitrogen

C. Carbon, sulphur, volatile matter & ash

D. Carbon, volatile matter, ash & moisture

Discuss this answer

Portland cement consists mainly of

A. CaO & SiO₂

B. SiO₂ & Al₂O₃

C. CaO & Al₂O₃

D. CaO & Fe₂O₃

Discuss this answer

Boiling of water containing temporary hardness produces

A. CO₂

B. CaSO₄

C. CaHCO₃

D. None of these

Discuss this answer

Permanent hardness of water can be removed by

A. Simply boiling

B. Adding alum

C. Passing it through cation & anion exchangers

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

Discuss this answer

Yellow phosphorus is transported under

A. Air

B. Water

C. Nitrogen

D. Helium

Discuss this answer

Zeolite is a/an

A. Naturally occuring clay which is capable of exchanging cations

B. Abrasive material

C. Catalyst used in shift conversion

D. None of these

Discuss this answer

Gun powder uses

A. Sulphur

B. Charcoal

C. Potassium nitrate

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

Discuss this answer

Pick out the wrong statement.

A. DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence of oleum, which is a highly exothermic reaction

B. Chloral is obtained by the chlorination of ethyl alcohol

C. Insecticides acting on the insects through the respiratory system are called fumigants

D. Benzene hexachloride is not a contact insecticide

Discuss this answer

Which one of the following is not an elastomer?

A. Polyisoprene

B. Neoprene

C. Nitrile-butadiene

D. None of these

Discuss this answer

Sulphuric acid completely saturated with sulphur trioxide is called

A. Concentrated sulphuric acid

B. Oleum

C. Sulphurous acid

D. Dilute sulphuric acid

Discuss this answer

Viscose rayon is

A. Cellulose nitrate

B. Regenerated cellulose nitrate

C. Regenerated cellulose acetate

D. None of these

Discuss this answer

Mannheim furnace is used in the manufacture of

A. Hydrochloric acid

B. H₂SO₄ by Chamber process

C. Calcium carbide

D. Corundum

Discuss this answer

The drug used in contraceptives is

A. Sulfadiazine

B. Mestranol

C. Methyl salicylate

D. Penicillin

Discuss this answer

Hydrogenation of oil takes place in a/an __________ reactor.

A. Autothermal

B. Trickle bed

C. Plug flow

D. None of these

Discuss this answer

Phosphate rock is a raw material for the manufacture of

A. Phosphoric acid

B. Phosphorous

C. Superphosphates

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

Discuss this answer

The major constituents of glass are

A. Lime, clay and soda ash

B. Sand, lime and soda ash

C. Silica, alumina and clay

D. Silica, alumina and soda ash

Discuss this answer

Coke used for the production of calcium carbide should have

A. Low ash content

B. Low ignition temperature

C. High electrical resistivity

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

Discuss this answer

CO & H₂ are the constituents of

A. Producer gas

B. Water gas

C. Coke oven gas

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

Discuss this answer

With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide

A. Increases

B. Increases linearly

C. Decreases

D. Decreases linearly

Discuss this answer

Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.

A. Phthalic anhydride

B. Vinyl chloride

C. Maleic anhydride

D. Dacron

Discuss this answer

Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of

A. Trichloroethylene

B. Perchloroethylene

C. Parathion

D. Methanol

Discuss this answer

Nitric acid is not used in the manufacture of

A. Detergents

B. Fertilisers

C. Aqua regia

D. Explosives

Discuss this answer

Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.

A. Adsorbs

B. Oxidises

C. Reduces

D. Converts

Discuss this answer

Nylon-66 is so named because the

A. Average degree of polymerisation of the polymer is 1966

B. Number of carbon atoms between two nitrogen atoms are 6

C. Number of nitrogen atoms between two carbon atoms are 6

D. Polymer was first synthesised in 1966

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

Accepted Answer

D. Calcium sulphate

Gypsum is chemically

Correct Answer :

Show all Chemical Process MCQ

Related Questions

The process used for the manufacture of ethyl alcohol from molasses is

Which of the following processes does not produce Cl2 as a co-product during the manufacture of caustic soda?

Polythene is a/an __________ polymerisation product.

Varnish does not contain

Fourdrinier machine is used in the manufacture of

Ultimate analysis of coal determines its __________ content.

Portland cement consists mainly of

Boiling of water containing temporary hardness produces

Permanent hardness of water can be removed by

Yellow phosphorus is transported under

Zeolite is a/an

Gun powder uses

Pick out the wrong statement.

Which one of the following is not an elastomer?

Sulphuric acid completely saturated with sulphur trioxide is called

Viscose rayon is

Mannheim furnace is used in the manufacture of

The drug used in contraceptives is

Hydrogenation of oil takes place in a/an __________ reactor.

Phosphate rock is a raw material for the manufacture of

The major constituents of glass are

Coke used for the production of calcium carbide should have

CO & H₂ are the constituents of

With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide

Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.

Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of

Nitric acid is not used in the manufacture of

Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.

Nylon-66 is so named because the

Chemical name of Grignard reagent is

Also checkout

Gypsum is chemically

Correct Answer :

Show all Chemical Process MCQ

Related Questions

The process used for the manufacture of ethyl alcohol from molasses is

Which of the following processes does not produce Cl2 as a co-product during the manufacture of caustic soda?

Polythene is a/an __________ polymerisation product.

Varnish does not contain

Fourdrinier machine is used in the manufacture of

Ultimate analysis of coal determines its __________ content.

Portland cement consists mainly of

Boiling of water containing temporary hardness produces

Permanent hardness of water can be removed by

Yellow phosphorus is transported under

Zeolite is a/an

Gun powder uses

Pick out the wrong statement.

Which one of the following is not an elastomer?

Sulphuric acid completely saturated with sulphur trioxide is called

Viscose rayon is

Mannheim furnace is used in the manufacture of

The drug used in contraceptives is

Hydrogenation of oil takes place in a/an __________ reactor.

Phosphate rock is a raw material for the manufacture of

The major constituents of glass are

Coke used for the production of calcium carbide should have

CO & H2 are the constituents of

With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide

Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.

Carbon tetrachloride (CCl4) is the starting raw material for the manufacture of

Nitric acid is not used in the manufacture of

Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.

Nylon-66 is so named because the

Chemical name of Grignard reagent is

Also checkout

CO & H₂ are the constituents of

Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of