Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about

Question

Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about

A. 0.1 to 0.5

B. 1 to 5

C. 5 to 10

D. 15 to 25

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Glycerine is not used in the

A. Manufacture of explosive

B. Conditioning and humidification of tobacco

C. Manufacture of pharmaceuticals

D. None of these

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Molasses is the starting material for the production of

A. Alcohol

B. Essential oil

C. Fatty acids

D. Massecuite

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Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

A. Cutting

B. Fibrillation

C. Hydration

D. Strengthening

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Liquefaction of gases cannot be done by

A. Exchange of heat with colder stream

B. Adiabatic expansion through a throttle valve (Joule-Thomson expansion)

C. Merely compressing it beyond critical pressure

D. Adiabatic expansion against a piston or in a turbine

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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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Sulphur addition in soap is done to

A. Improve the soap texture

B. Cure pimples & dandruff

C. Fasten lather formation

D. Increase its cleansing action

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Which of the following is a constituent of coffee?

A. Caffeine

B. Nicotine

C. Calgon

D. Lignin

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The process involved in converting rubber into a thin sheet or coating it on fabric is called

A. Extrusion

B. Mastication

C. Calendaring

D. Vulcanisation

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Pasteurisation of milk means

A. Removal of fatty and albuminous substance from it

B. Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics

C. Inhibiting the growth of micro-organisms without killing them

D. None of these

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The temperature in the calcium carbide furnace is __________ °C.

A. 200-300

B. 700-850

C. 2000-2200

D. 4000-4500

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Oil produced by solvent extraction

A. Has low free fatty acid content

B. Is odourless

C. Both (A) & (B)

D. Neither (A) nor (B)

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The drug used in contraceptives is

A. Sulfadiazine

B. Mestranol

C. Methyl salicylate

D. Penicillin

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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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__________ paper is used in the manufacture of newsprint paper.

A. Ground-wood

B. Board

C. Tissue

D. Wrapping

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Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.

A. Adsorbs

B. Oxidises

C. Reduces

D. Converts

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CaO is called

A. Quick lime

B. Slaked lime

C. Limestone

D. Calcite

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Process conditions in fermentator used for production of penicillin is

A. 25°C, 2 atm

B. 50°C, l0 atm

C. 30°C, 200 mm Hg (absolute)

D. 90°C, 45 atm

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Blue colour is imparted to glass by the addition of

A. FeSO₄

B. PbO

C. CaO

D. NaOH

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Hydrazine (N₂H₄) is used mainly as a/an

A. Explosive

B. Rocket fuel

C. Detergents additive

D. None of these

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One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to

A. Adjust the pH of the syrup

B. Remove the coloring matter from the syrup

C. Reduce the viscosity of the syrup

D. Improve the rate of crystallisation of sugar

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Sucrose content in the raw juice extracted from sugar cane is about __________ percent.

A. 1 - 2

B. 15 - 20

C. 50 - 60

D. 80 - 85

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High purity nitrogen is used in

A. Making protective gas (95% N2 + 5% H2) for annealing of cold rolled steel strip coils

B. Fire fighting purposes

C. Both (A) & (B)

D. Neither (A) nor (B)

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Washing soda is chemically represented by

A. Na₂CO₃

B. Na₂CO₃.H₂O

C. Na₂CO₃.10H₂O

D. NaHCO₃

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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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Neoprene is chemically known as

A. Polybutadiene

B. Styrene butadiene rubber (SBR)

C. Polyurethane

D. Polychlorophrene

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Phenol is mainly used

A. To produce benzene

B. To produce phenol formaldehyde

C. To produce polyester resin

D. As a plasticiser for unsaturated polyester

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Phenol formaldehyde resin is used as an adhesive in making

A. Laminates

B. Card boxes

C. Furniture

D. Books

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Dry ice (solidified CO₂) is used for the

A. Storage & shipment of frozen foods and ice-creams

B. Liquefaction of permanent gases

C. Liquefaction of natural gas

D. None of these

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Nylon-6 as compared to Nylon-66 is having higher

A. Hardness

B. Abrasion/resistance

C. Melting point

D. None of these

Discuss this answer

Penicillin, an antibiotic drug was discovered by

A. Alexander

B. Flaming

C. Doctor Zhivago

D. None of these

Discuss this answer

Accepted Answer

A. 0.1 to 0.5

Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Glycerine is not used in the

Molasses is the starting material for the production of

Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

Liquefaction of gases cannot be done by

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

Sulphur addition in soap is done to

Which of the following is a constituent of coffee?

The process involved in converting rubber into a thin sheet or coating it on fabric is called

Pasteurisation of milk means

The temperature in the calcium carbide furnace is __________ °C.

Oil produced by solvent extraction

The drug used in contraceptives is

Main product in calcium carbide-water reaction is

__________ paper is used in the manufacture of newsprint paper.

Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.

CaO is called

Process conditions in fermentator used for production of penicillin is

Blue colour is imparted to glass by the addition of

Hydrazine (N₂H₄) is used mainly as a/an

One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to

Sucrose content in the raw juice extracted from sugar cane is about __________ percent.

High purity nitrogen is used in

Washing soda is chemically represented by

Pick out the true statement pertaining to water treatment.

Neoprene is chemically known as

Phenol is mainly used

Phenol formaldehyde resin is used as an adhesive in making

Dry ice (solidified CO₂) is used for the

Nylon-6 as compared to Nylon-66 is having higher

Penicillin, an antibiotic drug was discovered by

Also checkout

Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Glycerine is not used in the

Molasses is the starting material for the production of

Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

Liquefaction of gases cannot be done by

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

Sulphur addition in soap is done to

Which of the following is a constituent of coffee?

The process involved in converting rubber into a thin sheet or coating it on fabric is called

Pasteurisation of milk means

The temperature in the calcium carbide furnace is __________ °C.

Oil produced by solvent extraction

The drug used in contraceptives is

Main product in calcium carbide-water reaction is

__________ paper is used in the manufacture of newsprint paper.

Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.

CaO is called

Process conditions in fermentator used for production of penicillin is

Blue colour is imparted to glass by the addition of

Hydrazine (N2H4) is used mainly as a/an

One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to

Sucrose content in the raw juice extracted from sugar cane is about __________ percent.

High purity nitrogen is used in

Washing soda is chemically represented by

Pick out the true statement pertaining to water treatment.

Neoprene is chemically known as

Phenol is mainly used

Phenol formaldehyde resin is used as an adhesive in making

Dry ice (solidified CO2) is used for the

Nylon-6 as compared to Nylon-66 is having higher

Penicillin, an antibiotic drug was discovered by

Also checkout

Hydrazine (N₂H₄) is used mainly as a/an

Dry ice (solidified CO₂) is used for the