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Current Affairs January 2024

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An example of stimulant fertilizer is

A. gypsum

B. urea

C. potassium nitrate

D. ammonium phosphate

Correct Answer :

A. gypsum


Related Questions

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Sulphur is readily soluble in

A. Water

B. Alcohol

C. Carbon-di-sulphide

D. Sodium chloride solution

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Which among the following gases present in the air discolours brass nameplates?

A. Hydrogen Sulphide

B. Nitrogen

C. Carbon-di-oxide

D. Oxygen

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The noble gas which is present in microscopic quantities in air is

A. xenon

B. krypton

C. argon

D. helium

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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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Deficiency of iron causes

A. nervous disorders

B. heart diseases

C. anaemia

D. impairment of vision

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The modern system of symbols was evolved by

A. Dalton

B. Cavendish

C. Avogadro

D. Berzelius

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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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The process of heating steel to bright red heat and cooling suddenly by plunging it into water is known as

A. annealing

B. hardening

C. quenching

D. tempering

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Laughing gas is

A. nitric oxide

B. nitrogen peroxide

C. nitrogen pentoxide

D. nitrous oxide

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The best specimen for drinking purposes is

A. rain water

B. river water

C. conductivity water

D. deep well water

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Which of the following cannot be used for the preparation of soap?

A. oleic acid

B. acetic acid

C. palmitic acid

D. stearic acid

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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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Beri-beri is caused by deficiency of Vitamin

A. A

B. C

C. B12

D. B1

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The compounds produced by plants in the process of photosynthesis are

A. carbohydrates

B. proteins

C. salts

D. fats

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White lead is

A. a basic salt

B. an acid salt

C. a double salt

D. a normal salt

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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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Rusting of iron cannot be prevented by

A. painting

B. applying alkaline phosphate

C. applying soap water

D. galvanising

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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

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A light alloy having high tensile strength is

A. German silver

B. solder

C. magnalium

D. bell metal

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The hormone which absorption is increases glucose oxidation and glucose

A. adrenalin

B. thyroxin

C. insulin

D. epinephrine

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The gas used in balloons in the place of hydrogen is

A. nitrogen

B. helium

C. neon

D. argon

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Calomel is

A. lead chloride

B. mercurous chloride

C. mercuric chloride

D. calcium sulphate

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Which of the following is baking soda?

A. Na2CO3 . 10H2O

B. NaHCO3

C. Na2CO3 . H2O

D. NH4CI

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The first organic compound prepared in the laboratory was

A. acetic acid

B. chloroform

C. urea

D. methane

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Which one of the following is used for dry cleaning?

A. Kerosene oil

B. Diesel oil

C. Lubricating oil

D. Petroleum ether

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Stainless steel contains steel and

A. manganese

B. vanadium

C. nickel

D. chromium

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Ascorbic acid is the chemical name for

A. Vitamin B6

B. Vitamin C

C. Vitamin K

D. Vitamin D

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High temperature thermometers use

A. sodium amalgam

B. an alloy of sodium and potassium

C. silver amalgam

D. calcium amalgam

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Which of the following is not a supporter of combustion?

A. Oxygen

B. Air

C. Hydrogen

D. Chlorine