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Current Affairs January 2024

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Glycerine is a by-product of the __________ industry.

A. Soap

B. Detergent

C. Oil hydrogenation

D. Paint

Correct Answer :

A. Soap


Related Questions

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CO & H2 are the constituents of

A. Producer gas

B. Water gas

C. Coke oven gas

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

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Fourdrinier machine is used in the manufacture of

A. Sugar

B. Paper

C. Alcohol from molasses

D. Phenol formaldehyde

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__________ acid is the main constituent of cotton seed oil.

A. Acetic

B. Linoleic

C. Palmitic

D. Oleic

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Sulphuric acid completely saturated with sulphur trioxide is called

A. Concentrated sulphuric acid

B. Oleum

C. Sulphurous acid

D. Dilute sulphuric acid

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Lubricating greases are a mixture of

A. Mineral oil, soap and additives

B. Mineral oil and metallic soap

C. Mineral oil and fatty oil

D. Fatty oil and metallic soap

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Paper pulp produced by Kraft/sulphate process is

A. Bleached easily

B. Dull white in color

C. Strong fibrous

D. Dark colored

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Heating of __________ to 120°C, produces plaster of paris.

A. Blue vitriol

B. Gypsum

C. Calcium silicate

D. Calcium sulphate

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Fish contains about __________ percent oil.

A. 5

B. 10

C. 20

D. 35

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Major component of flint glass is

A. Lead oxide

B. Silica

C. Alumina

D. Soda

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__________ iron is the purest form of iron.

A. Cast

B. Wrought

C. Pig

D. High silicon

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Aryl benzene sulphonate (ABS) is a

A. Detergent

B. Plasticiser for unsaturated polyester

C. Starting material for the synthesis of glycerine

D. Coating ingredient for photographic film

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Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of

A. Calcium sulphate

B. Sodium chloride

C. Sodium sulphate

D. Magnesium chloride

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4

Most commonly used rubber vulcanising agent is

A. Sulphur

B. Bromine

C. Platinum

D. Alumina

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__________ is an ore of lead.

A. Quartz

B. Galena

C. Siderite

D. Chalcopyrite

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The only commercial Fischer-Tropsch plant for producing liquid hydrocarbon fuel from coal is located at

A. SASOL (in South Africa)

B. Redcar (U.K.)

C. Los Angeles (U.S.A.)

D. Trombay (India)

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Kopper-Totzek coal gasifier

A. Can give ammonia synthesis gas (H2 + N2)

B. Is a moving bed reactor

C. Cannot use coking coal

D. Operate at very high pressure

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Chemical formula of oleum is

A. H2SO3

B. H2SO4

C. H2S2O7

D. H2SO7

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Permanent hardness of water can be removed by

A. Addition of soda ash to it

B. Treating it with zeolites

C. Passing it through sodium hexametaphosphate

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

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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

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Iron ore hematite is concentrated using

A. Electromagnetic separation mainly

B. Gravity separation

C. Froth floatation

D. Roasting

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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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Fourdrinier machine is used in the manufacture of

A. Nylon-6

B. Paper

C. Antibiotics

D. Sugar

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An oil is converted into fat by its

A. Hydrogenation

B. Hydrolysis

C. Hydrocracking

D. Hydration

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Neoprene is chemically known as

A. Polybutadiene

B. Styrene butadiene rubber (SBR)

C. Polyurethane

D. Polychlorophrene

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Which of the following is the purest form of water out of the following?

A. Underground water

B. Rain water

C. Well water

D. Lake water

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Massecuite is a terminology used in the __________ industry.

A. Paint

B. Oil hydrogenation

C. Soap

D. Sugar

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Zeigler process

A. Produces high density polyethylene

B. Produces low density polyethylene

C. Uses no catalyst

D. Employs very high pressure

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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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Which of the following is not an antibiotic?

A. Penicillin

B. Streptomycin

C. Tetracycline

D. Quinine

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Molecular weight of plastics ranges from

A. 5000 to 10000

B. 20000 to 250000

C. 500 to 5000

D. 106 to 109