Which of the following is an explosive?

Question

Which of the following is an explosive?

A. Nitro-glycerine

B. Trinitrotoluene (TNT)

C. Cellulose nitrate

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

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Comment

Soap cannot be used with hard water, because

A. Hard water contains sulphate

B. They form insoluble calcium soaps which precipitate

C. They attract back the removed dirt

D. None of these

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For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.

A. (i) platinum (ii) sulphur

B. (i) palladium (ii) oxygen

C. (i) nickel (ii) sulphur

D. (i) nickel (ii) oxygen

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Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.

A. 10

B. 50

C. 80

D. 95

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Addition of calcium oxide to water produces

A. Exothermic heat

B. Hissing sound

C. Slaked lime

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

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Sea weeds are an important source of

A. Fluorine

B. Chlorine

C. Bromine

D. Iodine

Discuss this answer

Fermentation is adversely affected by the

A. Presence of air

B. Absence of air

C. High concentration

D. Presence of ammonium salts

Discuss this answer

Hydrazine is used in water treatment for the removal of

A. Colloidal impurities

B. Dissolved oxygen

C. Turbidity

D. Chlorinous taste

Discuss this answer

__________ is produced using Polycondensation reaction.

A. Polythene

B. Phenol formaldehyde

C. Poly vinyl chloride

D. None of these

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High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to

A. Flocculate the impurities

B. Facilitate fast filtration

C. Both (A) and (B)

D. Neither (A) nor (B)

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Phenol formaldehyde is produced by condensation polymerisation. It is also known as

A. Teflon

B. Bakelite

C. Polyester

D. Nylon-66

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Litharge is

A. Lead oxide

B. Zinc oxide

C. Zinc sulphide

D. Cellulosic photographic material

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Production of one ton of cement requires about __________ tons of limestone.

A. 0.6

B. 1.2

C. 2.2

D. 3.8

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Temporary hardness of water can be removed by

A. Addition of alum (a coagulant)

B. Boiling

C. Filtration (through gravity sand filter)

D. Addition of lime

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__________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace.

A. Bauxite

B. Limestone

C. Quartz

D. Manganese

Discuss this answer

Alkylbenzene sulfonate (ABS) is a

A. Detergent

B. Rubber

C. Pesticide

D. Polyester

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Varnish does not contain

A. Thinner

B. Pigment

C. Both (A) & (B)

D. Neither (A) nor (B)

Discuss this answer

Presence of carbonaceous matter in the sewage

A. Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures

B. Reduces sulphate ions to sulphides causing obnoxious smell

C. Increases the quantity of chlorine used for its purification

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

Discuss this answer

The most widely used coagulant for removing suspended impurities from water is

A. Bleaching powder

B. Chlorine

C. Calcium sulphate

D. Alum

Discuss this answer

Pick out the wrong statement.

A. Conversion of SO₂ to SO₃ in Monsanto-4 pass converter is about 98%

B. The chemical formula of oleum is H2S2O7, which is formed by saturating sulphuric acid with sulphur trioxide

C. Vitriol oil is nothing but technical sulphuric acid

D. Decomposition of sulphuric acid on heating does not start before its boiling

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Major component of flint glass is

A. Lead oxide

B. Silica

C. Alumina

D. Soda

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Main constituents of Portland cement are calcium aluminate and

A. Gypsum

B. Silicates

C. Sodium silicate

D. Carbonates

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Bleaching of paper pulp is done with

A. Activated clay

B. Bromine

C. Chlorine or chlorine dioxide

D. Magnesium sulphite

Discuss this answer

Which of the following is a constituent of vinegar?

A. Around 10% alcohol

B. Around 1% acetic acid

C. Both (A) and (B)

D. Neither (A) nor (B)

Discuss this answer

Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.

A. SO₃

B. Cl₂

C. NH₃

D. SO₂

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In contact process, SO₃ is absorbed in 97% H₂SO₄ and not in water, because

A. SO₃ gas is sparingly soluble in water

B. Water forms an acid mist, which is difficult to absorb

C. The purity of acid is affected

D. Scale formation in the absorber is to be avoided

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Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its

A. Poor oxidation stability and high gum forming tendency

B. Greater tendency of decomposition at elevated temperature

C. Hydrolysis tendency in presence of water

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

Discuss this answer

The main product of high temperature carbonisation of coal is

A. Coke

B. Ammonia

C. Tar

D. Phenol

Discuss this answer

White phosphorous is stored under water, because

A. It does not react with water

B. It is poisonous

C. Its kindling temperature in dry air is very low

D. It is unstable

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

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

A. Reducing

B. Oxidising

C. Disinfecting

D. None of these

Discuss this answer

Accepted Answer

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

Which of the following is an explosive?

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Soap cannot be used with hard water, because

For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.

Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.

Addition of calcium oxide to water produces

Sea weeds are an important source of

Fermentation is adversely affected by the

Hydrazine is used in water treatment for the removal of

__________ is produced using Polycondensation reaction.

High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to

Phenol formaldehyde is produced by condensation polymerisation. It is also known as

Litharge is

Production of one ton of cement requires about __________ tons of limestone.

Temporary hardness of water can be removed by

__________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace.

Alkylbenzene sulfonate (ABS) is a

Varnish does not contain

Presence of carbonaceous matter in the sewage

The most widely used coagulant for removing suspended impurities from water is

Pick out the wrong statement.

Major component of flint glass is

Main constituents of Portland cement are calcium aluminate and

Bleaching of paper pulp is done with

Which of the following is a constituent of vinegar?

Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.

In contact process, SO₃ is absorbed in 97% H₂SO₄ and not in water, because

Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its

The main product of high temperature carbonisation of coal is

White phosphorous is stored under water, because

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

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

Also checkout

Which of the following is an explosive?

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Soap cannot be used with hard water, because

For the hydrogenation of oils, __________ (i) __________ is commonly used as catalyst and __________ (ii) __________ is a catalyst poison.

Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.

Addition of calcium oxide to water produces

Sea weeds are an important source of

Fermentation is adversely affected by the

Hydrazine is used in water treatment for the removal of

__________ is produced using Polycondensation reaction.

High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to

Phenol formaldehyde is produced by condensation polymerisation. It is also known as

Litharge is

Production of one ton of cement requires about __________ tons of limestone.

Temporary hardness of water can be removed by

__________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace.

Alkylbenzene sulfonate (ABS) is a

Varnish does not contain

Presence of carbonaceous matter in the sewage

The most widely used coagulant for removing suspended impurities from water is

Pick out the wrong statement.

Major component of flint glass is

Main constituents of Portland cement are calcium aluminate and

Bleaching of paper pulp is done with

Which of the following is a constituent of vinegar?

Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.

In contact process, SO3 is absorbed in 97% H2SO4 and not in water, because

Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its

The main product of high temperature carbonisation of coal is

White phosphorous is stored under water, because

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

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

Also checkout

For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.

In contact process, SO₃ is absorbed in 97% H₂SO₄ and not in water, because