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Current Affairs January 2024

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4

The compound which is both an antiseptic and a disinfectant is

A. phenol

B. iodoform

C. bleaching powder

D. blue vitriol

Correct Answer :

A. phenol


Related Questions

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4

The flux added in the blast furnace is

A. Limestone

B. FeO

C. SiO2

D. MgO

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Glass is a ______ mixture of metallic ______.

A. homogeneous, sulphates

B. heterogeneous, nitrates

C. heterogeneous, carbonates

D. homogeneous, silicates

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Which among the following is a metalloid?

A. Tin

B. Silver

C. Iodine

D. Arsenic

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4

The gas evolved when ammonium nitrate is heated is

A. nitrogen

B. nitric oxide

C. nitrogen peroxide

D. nitrous oxide

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4

Calomel is

A. lead chloride

B. mercurous chloride

C. mercuric chloride

D. calcium sulphate

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4

One of the ingredients of the paste on the side of a match box is

A. phosphorus pentaoxide

B. phosphorus trichloride

C. phosphorus trisulphide

D. phosphorus trioxide

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Two or more entirely different compounds having the same molecular formula are known as

A. isobars

B. isotopes

C. isomorphs

D. isomers

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4

The substance most abundantly found in sea water is

A. magnesium chloride

B. sodium chloride

C. calcium sulphate

D. potassium chloride

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4

The oldest known organic compound is

A. urea

B. methane

C. acetic acid

D. benzene

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4

A light alloy having high tensile strength is

A. German silver

B. solder

C. magnalium

D. bell metal

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4

Harmful bacteria in drinking water cannot be destroyed by

A. chlorination

B. boiling

C. adding caustic soda

D. ozonisation

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4

Which or the following electrolysis?

A. Aluminium

B. Copper

C. Zinc

D. Iron

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4

LSD is

A. an anaesthetic

B. a psychedelic drug

C. an antipyretic

D. an antibiotic

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4

In surgical operation, the anaesthetic commonly used nowadays is

A. iodoform

B. chloroform

C. nitrous oxide-ether mixture

D. chloroform-nitrous oxide mixture

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4

Boiler scales' contain

A. calcium carbonate

B. magnesium bicarbonate

C. calcium sulphate

D. magnesium sulphate

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4

Jeweller's rouge is

A. magnetic oxide of iron

B. ferric oxide

C. ferrous oxide

D. ferrous carbonate

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4

Gasoline is obtained from crude petroleum by

A. fractional distillation

B. fractional crystallisation

C. sublimation

D. evaporation

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4

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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4

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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4

Acute diabetes patients smell of

A. acetone

B. ether

C. ethyl alcohol

D. methyl alcohol

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4

Radium was isolated from

A. galena

B. dolomite

C. sylvine

D. pitchblende

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4

The malarial parasite was discovered by

A. Sir Ronald Ross

B. Sir Francis Haig

C. Dr Jagadish Chandra Bose

D. Sir CV Raman

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4

The vitamin that is found in citrus fruits such as lemon and orange is

A. vitamin C

B. vitamin B2

C. vitamin A

D. vitamin E

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4

Carbogen is used in

A. CO2 poisoning

B. CO poisoning

C. phosgene poisoning

D. anesthesia

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4

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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4

In the process of purification of water for town supply, the substance used to remove bad smell and colour from water is

A. charcoal

B. bleaching powder

C. chlorine

D. carbolic acid

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4

Which of the following metals is the best conductor of heat and electricity?

A. Aluminium

B. Silver

C. Copper

D. Magnesium

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4

Which of the following types of water gives lather easily with soap?

A. Hard water

B. Heavy water

C. Soft water

D. Both (a) and (b)

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4

Brass contains

A. copper and tin

B. aluminium and magnesium

C. copper and zinc

D. copper, tin and zinc

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4

If people sleep in closed rooms where charcoal fire is burning, they die due to

A. carbon monoxide

B. carbon dioxide

C. methane

D. phosgene