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Current Affairs January 2024

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Which of the following is used as an illuminant?

A. Gasoline

B. Benzoline

C. Kerosene

D. Petroleum ether

Correct Answer :

C. Kerosene


Related Questions

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Which of the following is not a supporter of combustion?

A. Oxygen

B. Air

C. Hydrogen

D. Chlorine

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Which of the following is not an alloy of copper?

A. Bronze

B. Brass

C. Solder

D. Gun metal

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Which one of the following is present in the largest amount in terms of per cent by mass in the earth's crust?

A. Silicon

B. Oxygen

C. Carbon

D. Calcium

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Suspended impurities in water are effectively removed by

A. adding milk of lime

B. filtering through sand

C. adding filter alum

D. chlorination

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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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The compound or nitrogen used in dry cells is

A. ammonia

B. ammonium nitrate

C. ammonium chloride

D. ammonium nitrite

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What is 'oxygen mixture'?

A. A mixture of potassium nitrate and carbon

B. A mixture of ammonium chloride and sodium nitrate

C. A mixture of potassium chlorate and manganese dioxide

D. A mixture of ammonium nitrate and charcoal

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Which of the following is used as an illuminant?

A. Gasoline

B. Benzoline

C. Kerosene

D. Petroleum ether

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Solid carbon dioxide is used

A. as a drying agent

B. as a refrigerant

C. as an antiseptic

D. as a bleaching agent

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A compound used both as a fungicide and as a disinfectant is

A. chlorine

B. carbon monoxide

C. sulphur dioxide

D. o-cresol

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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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A metal which occurs 'free' in nature is

A. gold

B. zinc

C. tin

D. molybdenum

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Which of the following cannot be used as fuel?

A. Gasoline

B. Kerosene

C. Sulphuric acid

D. Alcohol

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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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Penicillin was discovered by

A. Alexander Fleming

B. Sir JJ Thomson

C. Dr Nessler

D. Sir John Russel

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Galvanising is the process of coating

A. iron with zinc

B. zinc with iron

C. copper with silver

D. silver with gold

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Soda-water contains

A. sodium bicarbonate

B. sodium carbonate

C. carbonic acid

D. sodium hydroxide

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A valuable by-product in the manufacture of soap is

A. stearic acid

B. sodium hydroxide

C. palmitic acid

D. glycerol

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Nitrous oxide used as anaesthetic is usually mixed with

A. ethyl alcohol

B. chloroform

C. oxygen

D. methyl alcohol

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An example of stimulant fertilizer is

A. gypsum

B. urea

C. potassium nitrate

D. ammonium phosphate

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Cholesterol is

A. a carbohydrate

B. a protein

C. a lipid

D. a hormone

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The gas evolved when ammonium nitrate is heated is

A. nitrogen

B. nitric oxide

C. nitrogen peroxide

D. nitrous oxide

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Which or the following gases is soluble in water and Is collected by the downward displacement or air?

A. Carbon dioxide

B. Sulphur dioxide

C. Ammonia

D. Hydrogen

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Grape sugar is another name for

A. glucose

B. fructose

C. sucrose

D. maltose

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The artificial silk produced from cellulose is

A. Polyethylene

B. Nylon

C. Terylene

D. Rayon

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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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Invar, used for making pendulums is an alloy of steel with

A. tungsten

B. nickel

C. manganese

D. chromium

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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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Rain water collected after a shower la very pure because

A. the initial showers wash the atmosphere free from most of the impurities

B. it contains desirable salts like sodium chloride and ammonium nitrate

C. it dissolves the gases in the atmosphere like ozone which are good for health in small quantities

D. it is supposed to be 'heaven sent'

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A metal which is extracted by thermal reduction is

A. nickel

B. aluminium

C. mercury

D. calcium