Blue vitriol is chemically

Question

Blue vitriol is chemically

A. Copper sulphate

B. Ferrous sulphate

C. Copper nitrate

D. Aluminium sulphate

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Fish contains about __________ percent oil.

A. 5

B. 10

C. 20

D. 35

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Hydrocyanic acid (HCN) is used as an insecticide for

A. Controlling timber degradation by ants

B. Controlling poultry lice

C. Potato beetle

D. Citrus fruits

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Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture.

A. CaO

B. MnO₂

C. ZnO

D. FeS

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Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

A. Xanthates

B. Stearic acid

C. Calcium & aluminium stearate

D. Formic acid

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__________ is the major constituent of the Portland cement.

A. Calcium carbonate

B. Calcium oxide

C. Tricalcium silicate

D. Calcium sulphate

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Concentration of hydrogen peroxide is done by

A. Crystallisation

B. Vacuum crystallisation

C. Atmospheric distillation

D. Dehydration

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Pick out the wrong statement.

A. Chamber process of sulphuric acid manufacture produces pure acid of concentration < 80%

B. Contact process of sulphuric acid manufacture produces pure acid of concentration ≥ 98%

C. 75% oleum can be produced by distillation of 20% oleum

D. Contact process of sulphuric acid manufacture uses nickel as the catalyst

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Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is

A. A slow reaction

B. A discontinuous reaction (requiring regeneration of iron by water gas intermittently)

C. Still in development stage (by employing fluidised bed technique)

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

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Plaster of Paris is

A. CaSO₄. ½H₂O

B. Used for setting of broken bones

C. Both (A) and (B)

D. Same as gypsum

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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

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Pick out the exothermic reaction out of the following:

A. C + H₂O = CO + H₂

B. CaC₂ + H₂O = Ca(OH)₂ + C₂H₂

C. MgCO₃ = MgO + CO₂

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

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Chemical formula of 'salt cake' is

A. Na₂SO₄

B. CaSO₄

C. MgSO₄

D. BaSO₄

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Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo?

A. Depithing

B. Digestion

C. Bleaching

D. None of these

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Main constituent of dolomite is

A. CaCO₃

B. MgCO₃

C. K₂CO₃

D. Na₂CO₃

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Chrome tanning and vegetable tanning are done for

A. Light & heavy leather respectively

B. Heavy & light leather respectively

C. Both light & heavy leather

D. Neither light nor heavy leather

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Magnesium and calcium __________ cause temporary hardness of water.

A. Carbonates

B. Bicarbonates

C. Phosphates

D. Sulphates

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Which one of the following is not an elastomer?

A. Polyisoprene

B. Neoprene

C. Nitrile-butadiene

D. None of these

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Deacon's method is used for the manufacture of

A. Glauber's salt

B. Common salt

C. Chlorine

D. Graphite electrode

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Catalyst used during the manufacture of 'Vanaspati Ghee' is

A. Zinc

B. Nickel

C. Platinum

D. Copper

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Higher viscosity index of a lubricating oil denotes

A. Less changes in fluidity of oil with temperature

B. Substantially high change in fluidity of oil with temperature

C. Its unsuitability under varying temperature conditions

D. None of these

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At a given temperature, the equilibrium yield of SO3 obtained from the oxidation of SO2 is proportional to (where, P = pressure of the system).

A. P

B. √P

C. P²

D. 1/P

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Main product in calcium carbide-water reaction is

A. Ca(OH)₂

B. C₂H₂

C. CO₂

D. CaCO₃

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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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The biochemical treatment applied to sewage effluents is a process of

A. Dehydration

B. Reduction

C. Oxidation

D. Polymerisation

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Phenol formaldehyde

A. Employs addition polymerisation

B. Employs condensation polymerisation

C. Is a monomer

D. Is an abrasive material

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Which of the following is not present in bagasse fibre?

A. Cellulose

B. Lignin

C. Pentogens

D. None of these

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Free alkali in a toilet soap is __________ that in a laundry shop.

A. Less than

B. More than

C. Same

D. None of these

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Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like

A. High cost

B. Fragile nature

C. Easy poisoning tendency

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

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Solvay process as compared to dual process
(i.e. modified Solvay process).

A. Can use low grade brine

B. Has less corrosion problems

C. Involves higher investment in NH3 recovery units than that for crystallisation units for NH4Cl

D. Both (B) and (C)

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Gun powder uses

A. Sulphur

B. Charcoal

C. Potassium nitrate

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

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Accepted Answer

A. Copper sulphate

Blue vitriol is chemically

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Fish contains about __________ percent oil.

Hydrocyanic acid (HCN) is used as an insecticide for

Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture.

Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

__________ is the major constituent of the Portland cement.

Concentration of hydrogen peroxide is done by

Pick out the wrong statement.

Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is

Plaster of Paris is

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

Pick out the exothermic reaction out of the following:

Chemical formula of 'salt cake' is

Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo?

Main constituent of dolomite is

Chrome tanning and vegetable tanning are done for

Magnesium and calcium __________ cause temporary hardness of water.

Which one of the following is not an elastomer?

Deacon's method is used for the manufacture of

Catalyst used during the manufacture of 'Vanaspati Ghee' is

Higher viscosity index of a lubricating oil denotes

At a given temperature, the equilibrium yield of SO3 obtained from the oxidation of SO2 is proportional to (where, P = pressure of the system).

Main product in calcium carbide-water reaction is

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

The biochemical treatment applied to sewage effluents is a process of

Phenol formaldehyde

Which of the following is not present in bagasse fibre?

Free alkali in a toilet soap is __________ that in a laundry shop.

Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like

Solvay process as compared to dual process
(i.e. modified Solvay process).

Gun powder uses

Also checkout

Blue vitriol is chemically

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Fish contains about __________ percent oil.

Hydrocyanic acid (HCN) is used as an insecticide for

Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture.

Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

__________ is the major constituent of the Portland cement.

Concentration of hydrogen peroxide is done by

Pick out the wrong statement.

Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H2O = Fe3O4 + 4H2, is not practised, as it is

Plaster of Paris is

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

Pick out the exothermic reaction out of the following:

Chemical formula of 'salt cake' is

Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo?

Main constituent of dolomite is

Chrome tanning and vegetable tanning are done for

Magnesium and calcium __________ cause temporary hardness of water.

Which one of the following is not an elastomer?

Deacon's method is used for the manufacture of

Catalyst used during the manufacture of 'Vanaspati Ghee' is

Higher viscosity index of a lubricating oil denotes

At a given temperature, the equilibrium yield of SO3 obtained from the oxidation of SO2 is proportional to (where, P = pressure of the system).

Main product in calcium carbide-water reaction is

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

The biochemical treatment applied to sewage effluents is a process of

Phenol formaldehyde

Which of the following is not present in bagasse fibre?

Free alkali in a toilet soap is __________ that in a laundry shop.

Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like

Solvay process as compared to dual process(i.e. modified Solvay process).

Gun powder uses

Also checkout

Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is

Solvay process as compared to dual process
(i.e. modified Solvay process).