Catalytic oxidation of naphthalene produces

Question

Catalytic oxidation of naphthalene produces

A. Styrene

B. Phenol

C. Phthalic anhydride

D. None of these

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Hydrolysis of sugar is called

A. Hydration

B. Inversion

C. Esterification

D. None of these

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Titanium dioxide is a/an __________ colour pigment.

A. White

B. Black

C. Yellow

D. Blue

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__________ of rubber decreases after its vulcanisation.

A. Resistance to the action of organic solvent

B. Tackiness

C. Maximum service temperature

D. Tensile strength

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Which of the following is not a pyrite ore?

A. Celestite

B. Galena

C. Gypsum

D. Siderite

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Pick out the true statement pertaining to water treatment.

A. Slow sand filters can remove colour completely

B. Activated carbon can be used for taste & odour control without subsequent filtration

C. Application of activated carbon reduces the temporary hardness of water

D. Normally, the turbidity is removed by adding a coagulant prior to sedimentation

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Bisphenol A is produced by the condensation of acetone with

A. Formaldehyde

B. Ethyl alcohol

C. Diethyl ether

D. Phenol

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Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at

A. 1 atm & 100°C

B. 5 atm & 275°C

C. 100 atm & 500°C

D. 50 atm & 1000°C

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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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Pick out the correct statement.

A. A fat is converted into oil by its hydrogenation

B. There is no difference between a fat and an oil so far as its physical properties are concerned

C. All vegetable oils except coconut oil, contains fatty acids having more than sixteen carbon atoms

D. Vegetable oils are classified as drying, non-drying and semi drying oils depending upon their fatty acids content

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__________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.

A. Chlorine

B. Ammonium chloride

C. Sodium carbonate

D. Sodium bi-carbonate

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Which of the following is a disaccharide?

A. Sucrose

B. Glucose

C. Starch

D. Maltose

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Reverse osmosis is normally used for the

A. Separation of isotopes of uranium from gaseous uranium hexafluoride

B. Separation of helium from natural gas

C. Desalination of brackish water to produce potable (drinking) water

D. Purification of oxygen

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The noble gas which occurs most abundantly in the atmosphere is

A. Helium

B. Neon

C. Krypton

D. Argon

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Thorium is mainly used

A. For the manufacture of gas mantles

B. As a fissile fuel in a nuclear reactor

C. In the manufacture of hydrogen bomb

D. In the treatment of cancer

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The type of high refractive index glass used in optical instruments is __________ glass.

A. Pyrex

B. Flint

C. Crookes

D. None of these

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

A. Solar evaporation

B. Vacuum evaporation

C. Freeze drying

D. Electrolysis

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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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A bio-catalyst produced by living cells which acts independent of the cell is called a/an

A. Substrate

B. Enzyme

C. Nutrient

D. None of these

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The enzyme which converts starch into the disaccharides maltose is

A. Diastase

B. Maltase

C. Yeast

D. None of these

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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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Which of the following is not a raw material used for the manufacture of ordinary glass?

A. Iron oxide

B. Soda ash

C. Limestone

D. Silica

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Cement mainly contains

A. CaO, SiO₂, Al₂O₃

B. MgO, SiO₂, K₂O

C. Al₂O₃, MgO, Fe₂O₃

D. CaO, MgO, K₂O

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Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.

A. Drying

B. Semi-drying

C. Non-drying

D. None of these

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Pig iron is produced by blast furnaces in India using mostly the iron ore named

A. Hematite

B. Magnetite

C. Siderite

D. Chalcopyrite

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Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process.

A. Mechanical

B. Sulphate/Kraft

C. Sulphite

D. Neutral sulphite semi-chemical

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The combustion reaction, C + O₂ = CO₂, is

A. Exothermic

B. Endothermic

C. Autocatalytic

D. None of these

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__________ Nature of hypo (sodium thiosulphate) makes it useful in photography.

A. Oxidising

B. Reducing

C. Complex forming

D. Photochemical

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Rosin soap is added during paper manufacture to

A. Impart adhesive properties

B. Improve opacity

C. Impart resistance to penetration by liquids

D. None of these

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The basic constituent of vegetable oils is

A. Triglyceride

B. Fatty acids

C. Fatty alcohol

D. Mono esters

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Accepted Answer

C. Phthalic anhydride

Catalytic oxidation of naphthalene produces

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Hydrolysis of sugar is called

Titanium dioxide is a/an __________ colour pigment.

__________ of rubber decreases after its vulcanisation.

Which of the following is not a pyrite ore?

Pick out the true statement pertaining to water treatment.

Bisphenol A is produced by the condensation of acetone with

Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at

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

Pick out the correct statement.

__________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.

Which of the following is a disaccharide?

Reverse osmosis is normally used for the

The noble gas which occurs most abundantly in the atmosphere is

Thorium is mainly used

The type of high refractive index glass used in optical instruments is __________ glass.

Plaster of Paris is

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

Contact process of sulphuric acid manufacture

A bio-catalyst produced by living cells which acts independent of the cell is called a/an

The enzyme which converts starch into the disaccharides maltose is

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

Which of the following is not a raw material used for the manufacture of ordinary glass?

Cement mainly contains

Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.

Pig iron is produced by blast furnaces in India using mostly the iron ore named

Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process.

The combustion reaction, C + O₂ = CO₂, is

__________ Nature of hypo (sodium thiosulphate) makes it useful in photography.

Rosin soap is added during paper manufacture to

The basic constituent of vegetable oils is

Also checkout

Catalytic oxidation of naphthalene produces

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Hydrolysis of sugar is called

Titanium dioxide is a/an __________ colour pigment.

__________ of rubber decreases after its vulcanisation.

Which of the following is not a pyrite ore?

Pick out the true statement pertaining to water treatment.

Bisphenol A is produced by the condensation of acetone with

Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at

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

Pick out the correct statement.

__________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.

Which of the following is a disaccharide?

Reverse osmosis is normally used for the

The noble gas which occurs most abundantly in the atmosphere is

Thorium is mainly used

The type of high refractive index glass used in optical instruments is __________ glass.

Plaster of Paris is

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

Contact process of sulphuric acid manufacture

A bio-catalyst produced by living cells which acts independent of the cell is called a/an

The enzyme which converts starch into the disaccharides maltose is

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

Which of the following is not a raw material used for the manufacture of ordinary glass?

Cement mainly contains

Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.

Pig iron is produced by blast furnaces in India using mostly the iron ore named

Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process.

The combustion reaction, C + O2 = CO2, is

__________ Nature of hypo (sodium thiosulphate) makes it useful in photography.

Rosin soap is added during paper manufacture to

The basic constituent of vegetable oils is

Also checkout

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

The combustion reaction, C + O₂ = CO₂, is