Home
Current Affairs January 2024

What is the correct answer?

4

Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of

A. Collagen

B. Tannin

C. Molasses

D. Carbohydrate

Correct Answer :

A. Collagen


Related Questions

What is the correct answer?

4

Nitrogen is an essential component of

A. Mineral salts

B. Carbohydrates

C. Fats

D. Proteins

What is the correct answer?

4

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

A. V2O5

B. Pt

C. Ni

D. Cr

What is the correct answer?

4

Thermosetting plastic materials

A. Can be repeatedly melted

B. Is useful for melt casting

C. Cannot be melted after forming

D. Is useful for spinning

What is the correct answer?

4

The amount of benzene present in pure Benzol is about __________ percent.

A. 30

B. 50

C. 70

D. 90

What is the correct answer?

4

Sodium salt of higher molecular weight fatty acid is termed as the __________ soap.

A. Hard

B. Soft

C. Metallic

D. Lubricating

What is the correct answer?

4

Pick out the wrong statement.

A. Pasteurisation of milk involves moderate heating followed by cooling

B. Bakeries and breweries make use of yeasts

C. Enzyme is a complex nitrogenous compound

D. Oils and fats are alkaloids

What is the correct answer?

4

Salt is added in the kettle during soap manufacture to separate

A. Soap from lye

B. Glycerine from lye

C. The metallic soap

D. The unsaponified fat from soap

What is the correct answer?

4

Cellulose percentage in bamboo fibre is about

A. 10

B. 20

C. 50

D. 85

What is the correct answer?

4

Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have

A. High electrical insulation properties

B. Sharp melting points

C. Low co-efficient of thermal expansion

D. Compressive strength much greater than their tensile strengths

What is the correct answer?

4

Flexible foam (for mattresses) is usually made of

A. PVC

B. Silicone

C. Polyurethanes

D. Polyamides

What is the correct answer?

4

The catalyst used in shift converter is

A. Nickel

B. Vanadium

C. Silica gel

D. Alumina

What is the correct answer?

4

Chloramines are used in water treatment for

A. Disinfection and control of taste & odour

B. Corrosion control

C. Removing turbidity

D. Control of bacteria

What is the correct answer?

4

Lindane is

A. Not a fumigant

B. BHC (Benzene Hexachloride) containing 99% γ-isomer

C. A by-product of BHC manufacture

D. Both (B) and (C)

What is the correct answer?

4

An alkali metal salt of Palmitic acid is known as

A. Soap

B. Metallic soap

C. Detergent

D. Alkaloid

What is the correct answer?

4

Sea water contains about __________ ppm of bromine.

A. 5

B. 70

C. 500

D. 1700

What is the correct answer?

4

Setting of plaster of Paris is accompanied with

A. Hydration

B. Dehydration

C. Hydrolysis

D. Loss of CO2

What is the correct answer?

4

CO & H2 are the constituents of

A. Producer gas

B. Water gas

C. Coke oven gas

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

What is the correct answer?

4

Soap cannot be used with hard water, because

A. Hard water contains sulphate

B. They form insoluble calcium soaps which precipitate

C. They attract back the removed dirt

D. None of these

What is the correct answer?

4

Carbon disulphide is mainly used in the production of

A. Viscose rayon

B. Corundum

C. Plasticiser for unsaturated polyester

D. Paints

What is the correct answer?

4

Naphthalene is removed from coke oven gas by

A. Adsorbing on palladium

B. Absorbing in ethanolamine

C. Scrubbing with wash oil

D. Passing it through electrostatic precipitator

What is the correct answer?

4

White phosphorous is stored under water, because

A. It does not react with water

B. It is poisonous

C. Its kindling temperature in dry air is very low

D. It is unstable

What is the correct answer?

4

Parathion and Malathion are

A. Pesticides

B. Plasticisers for unsaturated polyesters

C. Pain-relieving drugs (analgesic)

D. Tranquilisers

What is the correct answer?

4

High acid value of an oil or fat is an indication of

A. Storage under improper conditions

B. Absence of unsaturation

C. Its smaller molecular weight

D. None of these

What is the correct answer?

4

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

What is the correct answer?

4

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

A. Chloramine

B. Chlorine

C. Ferrous sulphate

D. Hydrogen peroxide

What is the correct answer?

4

Hydrogenation of oil/fat does not

A. Improve its resistance to rancid oxidation

B. Raise its melting point

C. Remove double bonds

D. None of these

What is the correct answer?

4

Ceramics are produced from silicates or clayish materials: Which of the following is not a ceramic material?

A. Slag cement

B. Glasses

C. Porcelain/Potteries

D. Teflon

What is the correct answer?

4

Raw materials for 'Solvay Process' for manufacture of the soda ash are

A. Salt, limestone and coke or gas

B. Ammonia, salt and limestone

C. Ammonia limestone and coke

D. None of these

What is the correct answer?

4

Adipic acid is an intermediate in the manufacture of

A. Perspex

B. Nylon-66

C. Polystyrene

D. Bakelite

What is the correct answer?

4

Fatty material used in soap making is

A. Fatty acid

B. Fatty alcohols

C. Tallow

D. Detergents