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Which of the following is a regenerated fibre?

A. Terylene

B. Rayon

C. Nylon

D. Silk

Correct Answer :

B. Rayon


Related Questions

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The science which deals with the chemistry of life processes is known as

A. electrochemistry

B. physical chemistry

C. biochemistry

D. tinctorial chemistry

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An important use of nitrous acid is in

A. the manufacture of explosives

B. the manufacture of dyes

C. refrigerators

D. the preparation of drugs

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Beri-beri is caused by deficiency of Vitamin

A. A

B. C

C. B12

D. B1

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The oldest known organic compound is

A. urea

B. methane

C. acetic acid

D. benzene

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Phosgene is a compound of

A. red phosphorus and oxygen

B. white phosphorus and oxygen

C. carbon monoxide and chlorine

D. carbon dioxide and chlorine

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Calamine is a ore of

A. tine

B. magnesium

C. zinc

D. copper

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Chloroform used as anaesthetic should be preserved In the dark in tightly stoppered bottles because otherwise

A. it becomes coloured

B. it gets evaporated in air

C. it gets oxidised to phosgene

D. it gets decomposed to chloropicrin

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The ore of iron is

A. Dolomite

B. Magnetite

C. Bauxite

D. Anglesite

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Solid carbon dioxide (Dry ice) is also known as

A. Thiokol

B. Drikold

C. Perhydrol

D. Mannitol

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An antipyretic is a drug used

A. in the treatment of malaria

B. to relieve sleepiness

C. to induce sleep

D. to lower body temperature

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Water has an unusually high bolling point because

A. its molecular weight is low

B. it is denser than ice

C. it is a good solvent for many ionic substances

D. the molecules of water are joined by hydrogen bonds

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Apart from lead tetra-ethyl, the other compound used as antiknock is

A. n-heptane

B. n-octane

C. iso-heptane

D. iso-octane

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Which of the following is a regenerated fibre?

A. Terylene

B. Rayon

C. Nylon

D. Silk

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Ethyl alcohol is

A. a deliquescent substance

B. an efflorescent substance

C. a hygroscopic substance

D. a dehydrating substance

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The pH or pure water is nearly 7.0 It will increase on the addition or

A. hydrochloric acid

B. ammonia

C. cane sugar

D. common salt

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A common rodenticide is (Rat Poison)

A. malathion

B. parathion

C. zinc phosphide

D. diuron

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Annealing of glass is done in

A. a cupel

B. a long narrow chamber

C. an open furnace

D. a closed furnace

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Ozone occurs in the upper layers of air in the atmosphere because

A. it is lighter than air

B. in the lower layers it becomes unstable

C. ultra-violet light is present only in the upper layers

D. it mixes freely with O2 in the upper layers

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Which one of the following elements is alloyed with iron to produce steel which can resist high temperatures and also have high hardness and abrasion resistance?

A. Aluminium

B. Chromium

C. Nickel

D. Tungsten

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The carbon cycle ensures that

A. the percentage of carbon dioxide in air is kept almost constant

B. air always contains a constant proportion of oxygen

C. sufficient amounts of carbohydrates are produced

D. the process of photosynthesis proceeds smoothly

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LSD is

A. an anaesthetic

B. a psychedelic drug

C. an antipyretic

D. an antibiotic

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Which or the following is not a constituent or gun powder?

A. Ammonium nitrate

B. Nitre

C. Charcoal powder

D. Sulphur

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In the mouth, starch is converted into ______ by the action of saliva.

A. sucrose

B. glucose

C. fructose

D. mannose

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Which of the following is not a characteristic of potable water?

A. It must be free from suspended impurities

B. It must be free from harmful bacteria

C. It must contain traces of sodium bicarbonate

D. It must have a fishy odour

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The compound used in photography is

A. ammonium dichromate

B. copper Sulphate

C. magnesium Sulphate

D. sodium thiosulphate

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Which of the following is not a physical change?

A. Distillation of water

B. Action of heat on potassium chlorate

C. Powdering of glass

D. Burning of an electric lamp

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Consider the following statements: Hard water is not suitable for
1) drinking
2) washing clothes with soap
3) use in boilers
4) irrigating crops
Which of these statements are correct?

A. 1 and 3

B. 2 and 3

C. 1, 2 and 4

D. 1, 2, 3 and 4

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Burglar proof safes are made of

A. Tungsten steel

B. Manganese steel

C. Chromium steel

D. Nickel steel

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Which one of the following is used in dry cleaning of garments?

A. asphalt

B. naphtha

C. diesel oil

D. lubricating oil

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A non-metal which is a good conductor or heat and electricity is

A. iodine

B. sulphur

C. graphite

D. phosphorus