Which of the following is an yellow pigment?

Question

Which of the following is an yellow pigment?

A. Titanium dioxide

B. Ferrous sulphate

C. Lead chromates

D. Zinc sulphides

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Pick out the wrong statement.

A. Strongly caking coal should not be used in the Lurgi gasifier

B. Acetylene gas cannot be used for illumination purpose

C. Water gas is called blue gas because of the color of the flame, when it is burnt

D. Gaseous fuels require less percentage of excess air for combustion as compared to liquid fuels

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Phenol formaldehyde resin is used as an adhesive in making

A. Laminates

B. Card boxes

C. Furniture

D. Books

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Unsaturated oils compared to saturated oils have

A. Lower melting point & higher reactivity to oxygen

B. Higher melting point & higher reactivity to oxygen

C. Lower melting point & lower reactivity to oxygen

D. Higher melting point & lower reactivity to oxygen

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Pick out the false statement pertaining to water treatment.

A. Aeration of water is effective in CO2 removal

B. The zeolite water softening process reduces the hardness of water by not more than 50%

C. Sodium sulphate or sodium carbonate do not cause hardness in water

D. Water with pH value less than 7, is acidic

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Paper grade bamboo contains about __________ percent cellulose.

A. 5

B. 20

C. 40

D. 60

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Direct conversion of chemical energy into electrical energy is done in a

A. Magnetohydrodynamic (MHD) generator

B. Fuel cell

C. Fast breeder reactor

D. None of these

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Consider the production of ammonia from methene and air as raw materials. The catalysts used are:
(i) for steam reforming of methane and
(ii) for ammonia synthesis.

A. (i) - Ni/Al₂O₃; (ii) - Cu - ZnO/Al₂O₃

B. (i) - Fe/Al₂O₃; (ii) - Cu - ZnO/Al₂O₃

C. (i) - Ni/Al₂O₃; (ii) - Fe/Al₂O₃

D. (i) - Fe/Al₂O₃; (ii) - Ni/Al₂O₃

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Use of chlorine in the treatment of sewage

A. Helps in grease separation

B. Increases the biological oxygen demand (BOD)

C. Causes bulking of activated sludge

D. Aids in flocculation

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Varnish does not contain

A. Thinner

B. Pigment

C. Both (A) & (B)

D. Neither (A) nor (B)

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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

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A unit operation is exemplified by the process of

A. Reduction

B. Desorption

C. Nitration

D. Combustion

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Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent.

A. 80

B. 90

C. 98

D. 100

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Heating of __________ to 120°C, produces plaster of paris.

A. Blue vitriol

B. Gypsum

C. Calcium silicate

D. Calcium sulphate

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Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and

A. Sulphuric acid

B. Phosphoric acid

C. Hydrochloric acid

D. Hydrofluoric acid

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Phosphate rock is a raw material for the manufacture of

A. Phosphoric acid

B. Phosphorous

C. Superphosphates

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

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Separation of fresh water from sea water can be done by the __________ operation.

A. Osmosis

B. Reverse osmosis

C. Absorption

D. Adsorption

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Vulcanisation of rubber

A. Decreases its tensile strength

B. Increases its ozone & oxygen reactivity

C. Increases its oil & solvent resistance

D. Converts its plasticity into elasticity

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Which of the following is the second major component of cement?

A. Al₂O₃

B. CaO

C. SiO₂

D. Fe₂O₃

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The difference between saponification value and acid value is

A. Called ester value

B. Always negative

C. Constant for all fatty oils

D. None of these

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Thermosetting materials

A. Are cross-linked molecules

B. Soften on application of heat

C. Are solvent soluble

D. None of these

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Which of the following, when pyrolysed, produces Perchloroethylene?

A. Ethylene dichloride

B. Chlorobenzene

C. Carbon tetrachloride

D. Chlorinated paraffin

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__________ is used as a flux in the smelting of copper ore like chalcopyrite.

A. Coke breeze

B. Lime powder

C. Silica/quartz

D. Dolomite

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Proximate analysis of coal determines its __________ content.

A. Moisture, ash, sulphur & volatile matter

B. Moisture & volatile matter

C. Moisture, sulphur, nitrogen & fixed carbon

D. None of these

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Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.

A. -5 to 0

B. 5 to 10

C. 30 to 50

D. 75 to 80

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Pick out the wrong statement.

A. Dry process is used for the manufacture of cement, when the raw material is blast furnace slag

B. Portland cement is made employing wet process

C. Gypsum is added to Portland cement to lengthen its setting time

D. None of these

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Shrinkage volume in cement setting does not depend upon the

A. Sand to cement ratio

B. Water to cement ratio

C. Ambient temperature fluctuation

D. Drying period

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__________ 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

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Oil produced by solvent extraction

A. Has low free fatty acid content

B. Is odourless

C. Both (A) & (B)

D. Neither (A) nor (B)

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Percentage of alcohol in beer may be around __________ percent.

A. 2-8

B. 18-23

C. 27-32

D. 1-4

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

Accepted Answer

C. Lead chromates

Which of the following is an yellow pigment?

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Pick out the wrong statement.

Phenol formaldehyde resin is used as an adhesive in making

Unsaturated oils compared to saturated oils have

Pick out the false statement pertaining to water treatment.

Paper grade bamboo contains about __________ percent cellulose.

Direct conversion of chemical energy into electrical energy is done in a

Consider the production of ammonia from methene and air as raw materials. The catalysts used are:
(i) for steam reforming of methane and
(ii) for ammonia synthesis.

Use of chlorine in the treatment of sewage

Varnish does not contain

The main use of HCl is in the

A unit operation is exemplified by the process of

Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent.

Heating of __________ to 120°C, produces plaster of paris.

Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and

Phosphate rock is a raw material for the manufacture of

Separation of fresh water from sea water can be done by the __________ operation.

Vulcanisation of rubber

Which of the following is the second major component of cement?

The difference between saponification value and acid value is

Thermosetting materials

Which of the following, when pyrolysed, produces Perchloroethylene?

__________ is used as a flux in the smelting of copper ore like chalcopyrite.

Proximate analysis of coal determines its __________ content.

Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.

Pick out the wrong statement.

Shrinkage volume in cement setting does not depend upon the

__________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.

Oil produced by solvent extraction

Percentage of alcohol in beer may be around __________ percent.

Zeolite is a/an

Also checkout

Which of the following is an yellow pigment?

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Pick out the wrong statement.

Phenol formaldehyde resin is used as an adhesive in making

Unsaturated oils compared to saturated oils have

Pick out the false statement pertaining to water treatment.

Paper grade bamboo contains about __________ percent cellulose.

Direct conversion of chemical energy into electrical energy is done in a

Consider the production of ammonia from methene and air as raw materials. The catalysts used are:(i) __________ for steam reforming of methane and(ii) __________ for ammonia synthesis.

Use of chlorine in the treatment of sewage

Varnish does not contain

The main use of HCl is in the

A unit operation is exemplified by the process of

Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent.

Heating of __________ to 120°C, produces plaster of paris.

Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and

Phosphate rock is a raw material for the manufacture of

Separation of fresh water from sea water can be done by the __________ operation.

Vulcanisation of rubber

Which of the following is the second major component of cement?

The difference between saponification value and acid value is

Thermosetting materials

Which of the following, when pyrolysed, produces Perchloroethylene?

__________ is used as a flux in the smelting of copper ore like chalcopyrite.

Proximate analysis of coal determines its __________ content.

Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.

Pick out the wrong statement.

Shrinkage volume in cement setting does not depend upon the

__________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.

Oil produced by solvent extraction

Percentage of alcohol in beer may be around __________ percent.

Zeolite is a/an

Also checkout

Consider the production of ammonia from methene and air as raw materials. The catalysts used are:
(i) for steam reforming of methane and
(ii) for ammonia synthesis.