Reaction of calcium carbide with water produces a gas, which is used

Question

Reaction of calcium carbide with water produces a gas, which is used

A. As an illuminant

B. For metal cutting/welding

C. Both (A) & (B)

D. Neither (A) nor (B)

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Pick out the wrong statement pertaining to the soap manufacture.

A. Transparent soaps are made by cold process

B. Organic pigments are used as colouring materials in the soap manufacture

C. Both laundry as well as toilet soaps are manufactured by hot process

D. Colourless rosin is used in the manufacture of laundry soaps

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Which is a high grade pulp?

A. Rag pulp

B. Mechanical pulp

C. Sulphate pulp

D. Sulphite pulp

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Rotary kiln is not involved in the production of

A. Cement

B. Lime from limestone

C. Slaked lime from quick lime

D. None of these

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Calgon used in water treatment is chemically

A. Sodium phosphate

B. Sodium hexametaphosphate

C. Calcium phosphate

D. Tricresyl phosphate

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Poly Vinyl Chloride (P.V.C.) is a __________ material.

A. Thermosetting

B. Thermoplastic

C. Fibrous

D. Chemically active

Discuss this answer

Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

A. -83

B. -183

C. -196

D. -218

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At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants.

A. Independent of

B. Directly proportional to

C. Inversely proportional to

D. Proportional to the square of

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In the Solvay process, the product from the calciner is

A. Light soda ash

B. Dense soda ash

C. Sodium bicarbonate

D. Dehydrated soda ash

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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

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The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.

A. 800

B. 1600

C. 4000

D. 8500

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Bromine content in sea water may be around __________ ppm.

A. 70

B. 640

C. 1875

D. 2500

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Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used

A. As a lubricant

B. As a rust preventive

C. In hard water for cleaning of cloth

D. As a foam depressant in distillation column

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Hydrochloric acid is also known as

A. Oil of vitriol

B. Muriatic acid

C. Strong organic acid

D. Green acid

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

A. 20% oleum

B. 65% oleum

C. 78% H₂SO₄

D. 98% H₂SO₄

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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

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)

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The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent.

A. Cationic

B. Anionic

C. Amphoteric

D. Semi polar

Discuss this answer

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

A. Autothermal

B. Trickle bed

C. Plug flow

D. None of these

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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)

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Contact process of sulphuric acid manufacture

A. Yields acid of higher concentration than chamber process

B. Yields acids of lower concentration than chamber process

C. Is obsolete

D. Eliminates absorber

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Which of the following is not an insecticide?

A. Hydrocyanic acid

B. Nicotine

C. Sodium fluoride

D. Hexane

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Which of the following is not a pyrite ore?

A. Celestite

B. Galena

C. Gypsum

D. Siderite

Discuss this answer

Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene). It is also called

A. Polyurethane

B. Silicone

C. Teflon

D. Epoxy resin

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90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C.

A. < 0

B. 10-30

C. 250-280

D. 500-600

Discuss this answer

Litharge is

A. Lead oxide

B. Zinc oxide

C. Zinc sulphide

D. Cellulosic photographic material

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Deaeration of water in its treatment is necessary, as it

A. Minimises its turbidity

B. Helps in controlling its taste and odour

C. Minimises its corrosiveness

D. None of these

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Oxidation of SO₂ to SO₃ is favoured by

A. Low temperature and low pressure

B. Low temperature and high pressure

C. High temperature and low pressure

D. High temperature and high pressure

Discuss this answer

Frasch process is for

A. Making oxygen

B. Producing helium

C. Mining sulphur

D. Making nitrogen

Discuss this answer

Flash point of most vegetable oils is about __________ °C.

A. 50

B. 100

C. 200

D. 300

Discuss this answer

Accepted Answer

C. Both (A) & (B)

Reaction of calcium carbide with water produces a gas, which is used

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Pick out the wrong statement pertaining to the soap manufacture.

Which is a high grade pulp?

Rotary kiln is not involved in the production of

Calgon used in water treatment is chemically

Poly Vinyl Chloride (P.V.C.) is a __________ material.

Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants.

In the Solvay process, the product from the calciner is

Lime and soda ash are added to water to remove

The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.

Bromine content in sea water may be around __________ ppm.

Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used

Hydrochloric acid is also known as

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

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

Neon gas is

The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent.

Unsaturated oils compared to saturated oils have

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

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

Contact process of sulphuric acid manufacture

Which of the following is not an insecticide?

Which of the following is not a pyrite ore?

Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene). It is also called

90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C.

Litharge is

Deaeration of water in its treatment is necessary, as it

Oxidation of SO₂ to SO₃ is favoured by

Frasch process is for

Flash point of most vegetable oils is about __________ °C.

Also checkout

Reaction of calcium carbide with water produces a gas, which is used

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Pick out the wrong statement pertaining to the soap manufacture.

Which is a high grade pulp?

Rotary kiln is not involved in the production of

Calgon used in water treatment is chemically

Poly Vinyl Chloride (P.V.C.) is a __________ material.

Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants.

In the Solvay process, the product from the calciner is

Lime and soda ash are added to water to remove

The compressive strength of cement should not be less than about 110Kg/cm2 after three days & not less than 170Kg/cm2 after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm2/gm.

Bromine content in sea water may be around __________ ppm.

Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used

Hydrochloric acid is also known as

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

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

Neon gas is

The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent.

Unsaturated oils compared to saturated oils have

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

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

Contact process of sulphuric acid manufacture

Which of the following is not an insecticide?

Which of the following is not a pyrite ore?

Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene). It is also called

90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C.

Litharge is

Deaeration of water in its treatment is necessary, as it

Oxidation of SO2 to SO3 is favoured by

Frasch process is for

Flash point of most vegetable oils is about __________ °C.

Also checkout

The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.

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

Oxidation of SO₂ to SO₃ is favoured by