Fumigant insecticides

Question

Fumigant insecticides

A. Kill insects, when they eat it

B. Emit poisonous vapour

C. Are absorbed throughout the plant

D. None of these

Share this question with your friends

Show all Chemical Process MCQ

Comment

Flux addition during smelting of ore is done to

A. Remove impurities/gangue

B. Enhance rate of reaction

C. Accelerate reduction of ore

D. Separate slag from metal

Discuss this answer

Which of the following is a detergent?

A. Benzene hexachloride

B. Alkyl benzene sulphonate

C. Polytetrafluoroethylene

D. Cellulose nitrate

Discuss this answer

Stereospecific agents are exemplified by

A. Radiation

B. Supported metal oxide catalysts

C. Ziegler catalysts

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

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

Frasch process is for

A. Making oxygen

B. Producing helium

C. Mining sulphur

D. Making nitrogen

Discuss this answer

Oils and fats are converted to soap in a process called

A. Hydrogenation

B. Esterification

C. Saponification

D. None of these

Discuss this answer

Chloramines are used in water treatment for

A. Disinfection and control of taste & odour

B. Corrosion control

C. Removing turbidity

D. Control of bacteria

Discuss this answer

Which of the following processes is absent in glass manufacturing process?

A. Sintering

B. Annealing

C. Shaping or forming

D. Melting

Discuss this answer

The most commonly used substance to speed up the sedimentation of sewage is

A. Lime

B. Sulphuric acid

C. Chlorine

D. Sodium bisulphite

Discuss this answer

Trinitro-toluene (TNT) is

A. Used in glycerine manufacture

B. An explosive

C. Used in dye manufacture

D. None of these

Discuss this answer

Styrene butadiene rubber (SBR) is

A. A natural rubber

B. A synthetic polymer

C. A synthetic monomer

D. Another name of silicone rubber

Discuss this answer

Resistance to fusion of the refractory under a steady rising temperature condition is called

A. Spalling

B. Refractoriness

C. Both (A) & (B)

D. Neither (A) nor (B)

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

Tall oil obtained as a by-product from the black liquor recovery is

A. A black, sticky & viscous liquid

B. Used in the manufacture of greases, emulsions & soaps

C. Composed mainly of rosin & fatty acids

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

Discuss this answer

Extraction of __________ employs an electrolytic process.

A. Aluminium

B. Silver

C. Copper

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

Discuss this answer

Cooking liquor in case of sulphite process is

A. Sodium sulphite and sodium bisulphite

B. Magnesium sulphite and free SO2 in acid medium

C. Magnesium sulphate and magnesium bicarbonate

D. None of these

Discuss this answer

Setting of plaster of Paris is accompanied with

A. Hydration

B. Dehydration

C. Hydrolysis

D. Loss of CO₂

Discuss this answer

Titanium dioxide is a/an __________ colour pigment.

A. White

B. Black

C. Yellow

D. Blue

Discuss this answer

Nylon-66 is manufactured from

A. Hexamethylene diamine and adipic acid

B. Hexamethylene diamine and Maleic anhydride

C. Caprolactam

D. Dimethyl terephthalate and ethylene glycol

Discuss this answer

Bitterns is a/an

A. Unsaturated fat

B. Starting material for the production of iodine

C. By-product of chlor-alkali industry

D. None of these

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

Thermosetting plastic materials

A. Can be repeatedly melted

B. Is useful for melt casting

C. Cannot be melted after forming

D. Is useful for spinning

Discuss this answer

Oil produced by solvent extraction

A. Has low free fatty acid content

B. Is odourless

C. Both (A) & (B)

D. Neither (A) nor (B)

Discuss this answer

Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it

A. Has larger production capacity per unit cell

B. Consumes less power per ton of Cl2 produced

C. Produces high purity (70%) caustic soda directly

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

Discuss this answer

Concentration of hydrogen peroxide is done by

A. Crystallisation

B. Vacuum crystallisation

C. Atmospheric distillation

D. Dehydration

Discuss this answer

DDT stands for

A. Diethyl-diphenyl-trichloromethane

B. Dichloro-diphenyl-trichloromethane

C. diphenyl-dichloro-trichloromethane

D. Dichloro-diphenyl-trichloroethane

Discuss this answer

Na2CO3 is called

A. Washing soda

B. Soda ash

C. Plaster of Paris

D. Calcite

Discuss this answer

Commercially ethylene is produced from naphtha by

A. Catalytic cracking

B. Catalytic dehydrogenation

C. Pyrolysis

D. Hydrocracking

Discuss this answer

Carboxymethyl cellulose (CMC) is added in detergents to act as a/an

A. Surfactant

B. Builder

C. Optical brightening agent

D. Anti soil redeposition agent

Discuss this answer

Pure rectified spirit contains about __________ percent alcohol.

A. 45

B. 70

C. 95

D. 99.5

Discuss this answer

Accepted Answer

B. Emit poisonous vapour

Fumigant insecticides

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Flux addition during smelting of ore is done to

Which of the following is a detergent?

Stereospecific agents are exemplified by

Sulphuric acid completely saturated with sulphur trioxide is called

Frasch process is for

Oils and fats are converted to soap in a process called

Chloramines are used in water treatment for

Which of the following processes is absent in glass manufacturing process?

The most commonly used substance to speed up the sedimentation of sewage is

Trinitro-toluene (TNT) is

Styrene butadiene rubber (SBR) is

Resistance to fusion of the refractory under a steady rising temperature condition is called

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

Tall oil obtained as a by-product from the black liquor recovery is

Extraction of __________ employs an electrolytic process.

Cooking liquor in case of sulphite process is

Setting of plaster of Paris is accompanied with

Titanium dioxide is a/an __________ colour pigment.

Nylon-66 is manufactured from

Bitterns is a/an

CO & H₂ are the constituents of

Thermosetting plastic materials

Oil produced by solvent extraction

Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it

Concentration of hydrogen peroxide is done by

DDT stands for

Na2CO3 is called

Commercially ethylene is produced from naphtha by

Carboxymethyl cellulose (CMC) is added in detergents to act as a/an

Pure rectified spirit contains about __________ percent alcohol.

Also checkout

Fumigant insecticides

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Flux addition during smelting of ore is done to

Which of the following is a detergent?

Stereospecific agents are exemplified by

Sulphuric acid completely saturated with sulphur trioxide is called

Frasch process is for

Oils and fats are converted to soap in a process called

Chloramines are used in water treatment for

Which of the following processes is absent in glass manufacturing process?

The most commonly used substance to speed up the sedimentation of sewage is

Trinitro-toluene (TNT) is

Styrene butadiene rubber (SBR) is

Resistance to fusion of the refractory under a steady rising temperature condition is called

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

Tall oil obtained as a by-product from the black liquor recovery is

Extraction of __________ employs an electrolytic process.

Cooking liquor in case of sulphite process is

Setting of plaster of Paris is accompanied with

Titanium dioxide is a/an __________ colour pigment.

Nylon-66 is manufactured from

Bitterns is a/an

CO & H2 are the constituents of

Thermosetting plastic materials

Oil produced by solvent extraction

Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it

Concentration of hydrogen peroxide is done by

DDT stands for

Na2CO3 is called

Commercially ethylene is produced from naphtha by

Carboxymethyl cellulose (CMC) is added in detergents to act as a/an

Pure rectified spirit contains about __________ percent alcohol.

Also checkout

CO & H₂ are the constituents of