Pick out the wrong statement.

Question

Pick out the wrong statement.

A. Eosin requirement in tallow soap is about 40-50% which fastens the lather formation, softens the hard soaps and increases its cleansing action

B. Soap powder is prepared by mixing soap with hydrated sodium carbonate

C. Detergents differ from soaps in their action in hard water

D. Tarnish inhibitor (e.g., Benzotriazole) is added in soap to facilitate the removal of stains due to tea, blood etc

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__________ is not a constituent of gun powder.

A. Carbon

B. Charcoal

C. Sulphur

D. Potassium nitrate

Discuss this answer

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

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

Catalyst used in the oxidation of benzene to produce Maleic anhydride is

A. V₂O₅

B. Pt

C. Ni

D. Cr

Discuss this answer

Titanium dioxide is a/an __________ colour pigment.

A. White

B. Black

C. Yellow

D. Blue

Discuss this answer

High temperature carbonisation of coal takes place at __________ °C.

A. 2000

B. 700

C. 1100

D. < 500

Discuss this answer

Gypsum is chemically

A. Calcium chloride

B. Potassium sulphate

C. Sodium sulphate

D. Calcium sulphate

Discuss this answer

Fermentator temperature during production of alcohol from molasses is around __________ °C.

A. 5

B. 30

C. 130

D. 300

Discuss this answer

Setting of plaster of Paris is accompanied with

A. Hydration

B. Dehydration

C. Hydrolysis

D. Loss of CO₂

Discuss this answer

Electric bulbs are made of __________ glass.

A. Jena

B. Flint

C. Crookes

D. Pyrex

Discuss this answer

Fish contains about __________ percent oil.

A. 5

B. 10

C. 20

D. 35

Discuss this answer

Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent.

A. 75

B. < 10

C. > 30

D. 50

Discuss this answer

Thermal pyrolysis of ethylene dichloride produces

A. Trichloroethylene

B. Vinyl chloride

C. Ethanol amine

D. Ethylene oxide

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

Enzymes are

A. Proteins with high molecular weight (around 10,000)

B. Derived from living organisms

C. Catalyst for temperature sensitive reactions

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

Discuss this answer

Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively

A. V₂O₅ & Cr₂O₃.

B. Oxides of nitrogen & Cr₂O₃

C. V₂O₅ on a porous carrier & oxides of nitrogen

D. Oxides of nitrogen & V₂O₅ on a porous carrier

Discuss this answer

Alum [Al₂(SO₄)₃] is used as a coagulant in water treatment to remove

A. Colour

B. Turbidity

C. Bacteria

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

Discuss this answer

A mixture of chlorine & sodium bromide acts as a/an

A. Insecticides

B. Analgesic drug

C. Fire retardant

D. Hydrogenation catalyst

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Which of the following processes does not produce Cl2 as a co-product during the manufacture of caustic soda?

A. Diaphragm electrolytic cell process

B. Mercury electrolytic cell process

C. Lime-soda process

D. None of these

Discuss this answer

The catalyst used in shift converter is

A. Nickel

B. Vanadium

C. Silica gel

D. Alumina

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

Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood.

A. 1

B. 2.5

C. 5

D. 10

Discuss this answer

Plaster of Paris is

A. CaSO₄. ½H₂O

B. Used for setting of broken bones

C. Both (A) and (B)

D. Same as gypsum

Discuss this answer

The main component of Pyrex glass is

A. Zinc

B. Lead

C. Boron

D. Selenium

Discuss this answer

Celluloid is chemically

A. Cellulose acetate

B. Regenerated cellulose

C. Cellulose nitrate

D. Cellulose acetate butyrate

Discuss this answer

Which of the following is used as a coagulant in water treatment?

A. Chloramine

B. Chlorine

C. Ferrous sulphate

D. Hydrogen peroxide

Discuss this answer

Chalcopyrite is the main ore of

A. Copper

B. Lead

C. Tin

D. Iron

Discuss this answer

CaCl(OCl) is the chemical formula of

A. Hypo

B. Bleaching powder

C. Plaster of Paris

D. Aqua regia

Discuss this answer

Good quality of edible salt is obtained from brine by the process of

A. Solar evaporation

B. Vacuum evaporation

C. Freeze drying

D. Electrolysis

Discuss this answer

Which of the following is a detergent?

A. Fatty alcohol

B. Alkyl benzene sulphonate (ABS)

C. Fatty acids

D. Methylene chloride

Discuss this answer

Accepted Answer

D. Tarnish inhibitor (e.g., Benzotriazole) is added in soap to facilitate the removal of stains due to tea, blood etc

Pick out the wrong statement.

Correct Answer :

Show all Chemical Process MCQ

Related Questions

__________ is not a constituent of gun powder.

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

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

Catalyst used in the oxidation of benzene to produce Maleic anhydride is

Titanium dioxide is a/an __________ colour pigment.

High temperature carbonisation of coal takes place at __________ °C.

Gypsum is chemically

Fermentator temperature during production of alcohol from molasses is around __________ °C.

Setting of plaster of Paris is accompanied with

Electric bulbs are made of __________ glass.

Fish contains about __________ percent oil.

Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent.

Thermal pyrolysis of ethylene dichloride produces

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

Enzymes are

Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively

Alum [Al₂(SO₄)₃] is used as a coagulant in water treatment to remove

A mixture of chlorine & sodium bromide acts as a/an

Which of the following processes does not produce Cl2 as a co-product during the manufacture of caustic soda?

The catalyst used in shift converter is

Chloramines are used in water treatment for

Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood.

Plaster of Paris is

The main component of Pyrex glass is

Celluloid is chemically

Which of the following is used as a coagulant in water treatment?

Chalcopyrite is the main ore of

CaCl(OCl) is the chemical formula of

Good quality of edible salt is obtained from brine by the process of

Which of the following is a detergent?

Also checkout

Pick out the wrong statement.

Correct Answer :

Show all Chemical Process MCQ

Related Questions

__________ is not a constituent of gun powder.

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

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

Catalyst used in the oxidation of benzene to produce Maleic anhydride is

Titanium dioxide is a/an __________ colour pigment.

High temperature carbonisation of coal takes place at __________ °C.

Gypsum is chemically

Fermentator temperature during production of alcohol from molasses is around __________ °C.

Setting of plaster of Paris is accompanied with

Electric bulbs are made of __________ glass.

Fish contains about __________ percent oil.

Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent.

Thermal pyrolysis of ethylene dichloride produces

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

Enzymes are

Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively

Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove

A mixture of chlorine & sodium bromide acts as a/an

Which of the following processes does not produce Cl2 as a co-product during the manufacture of caustic soda?

The catalyst used in shift converter is

Chloramines are used in water treatment for

Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood.

Plaster of Paris is

The main component of Pyrex glass is

Celluloid is chemically

Which of the following is used as a coagulant in water treatment?

Chalcopyrite is the main ore of

CaCl(OCl) is the chemical formula of

Good quality of edible salt is obtained from brine by the process of

Which of the following is a detergent?

Also checkout

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

Alum [Al₂(SO₄)₃] is used as a coagulant in water treatment to remove