Rusting of iron cannot be prevented by

Question

Rusting of iron cannot be prevented by

A. painting

B. applying alkaline phosphate

C. applying soap water

D. galvanising

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Comment

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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Which of the following elements is not required for the healthy growth of plants?

A. Nitrogen

B. Phosphorus

C. Potassium

D. Mercury

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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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An acid which is used as a preservative for pickles is

A. hydrochloric acid

B. citric acid

C. tartaric acid

D. acetic acid

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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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Isotopes differ in the number of

A. Protons

B. Neutrons

C. Electrons

D. Protons and electrons

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The foul odour of gasoline is due to

A. pyridine

B. hydrogen sulphide

C. cacodyl

D. carbylamines

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Leakage in Liquefied Petroleum Gas (LPG) cylinders is easily detected by adding

A. mercaptans

B. propylene

C. carbon disulphide

D. phosgene

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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

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Cinnabar is an ore of

A. lead

B. zinc

C. mercury

D. chromium

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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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Tincture iodine is

A. a disinfectant

B. an analgesic

C. a hypnotic

D. a dye

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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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When ants bite, they inject

A. glacial acetic acid

B. methanol

C. formic acid

D. stearic acid

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In the common soda-acid fire extinguisher, the fire is put out by

A. acid fumes

B. sodium bicarbonate

C. carbon dioxide

D. sodium carbonate

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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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During fermentation, the by-product is

A. ethyl alcohol

B. methyl alcohol

C. carbon monoxide

D. carbon dioxide

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Reduction involves

A. loss of electrons

B. gain of electrons

C. gain of oxygen

D. removal of hydrogen

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Graphite la a good conductor of electricity because

A. it is an allotrope of carbon

B. it gives CO2 on heating

C. it contains free electrons

D. it is oxidised to graphitic acid

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The percentage of silver in German silver is

A. ten

B. twenty

C. zero

D. fifty

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The compound which is both an antiseptic and a disinfectant is

A. phenol

B. iodoform

C. bleaching powder

D. blue vitriol

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Artificial diamonds were produced by

A. Moissan

B. Davy

C. Faraday

D. Marie Curie

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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 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 simplest hydrocarbon is

A. benzene

B. methane

C. ethane

D. butane

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Which or the following electrolysis?

A. Aluminium

B. Copper

C. Zinc

D. Iron

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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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Argyrol used as eye ointment is a solution of

A. hydrogen peroxide

B. silver nitrate

C. tincture iodine

D. m-cresol

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The rate of setting of cement is slowed down by the addition of

A. quicklime

B. gypsum

C. soda lime

D. bleaching powder

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Proteins are polymerisation products of

A. aldehydes

B. alkenes

C. amino acids

D. alkynes

Discuss this answer

Accepted Answer

C. applying soap water

Rusting of iron cannot be prevented by

Correct Answer :

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Related Questions

Galvanising is the process of coating

Which of the following elements is not required for the healthy growth of plants?

Which of the following is not a supporter of combustion?

An acid which is used as a preservative for pickles is

An antipyretic is a drug used

Isotopes differ in the number of

The foul odour of gasoline is due to

Leakage in Liquefied Petroleum Gas (LPG) cylinders is easily detected by adding

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

Cinnabar is an ore of

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

Tincture iodine is

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

When ants bite, they inject

In the common soda-acid fire extinguisher, the fire is put out by

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?

During fermentation, the by-product is

Reduction involves

Graphite la a good conductor of electricity because

The percentage of silver in German silver is

The compound which is both an antiseptic and a disinfectant is

Artificial diamonds were produced by

Glass is a mixture of metallic .

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?

The simplest hydrocarbon is

Which or the following electrolysis?

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

Argyrol used as eye ointment is a solution of

The rate of setting of cement is slowed down by the addition of

Proteins are polymerisation products of

Also checkout

Rusting of iron cannot be prevented by

Correct Answer :

Show all General Chemistry MCQ

Related Questions

Galvanising is the process of coating

Which of the following elements is not required for the healthy growth of plants?

Which of the following is not a supporter of combustion?

An acid which is used as a preservative for pickles is

An antipyretic is a drug used

Isotopes differ in the number of

The foul odour of gasoline is due to

Leakage in Liquefied Petroleum Gas (LPG) cylinders is easily detected by adding

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

Cinnabar is an ore of

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

Tincture iodine is

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

When ants bite, they inject

In the common soda-acid fire extinguisher, the fire is put out by

Consider the following statements: Hard water is not suitable for1) drinking2) washing clothes with soap3) use in boilers4) irrigating cropsWhich of these statements are correct?

During fermentation, the by-product is

Reduction involves

Graphite la a good conductor of electricity because

The percentage of silver in German silver is

The compound which is both an antiseptic and a disinfectant is

Artificial diamonds were produced by

Glass is a ______ mixture of metallic ______.

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?

The simplest hydrocarbon is

Which or the following electrolysis?

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

Argyrol used as eye ointment is a solution of

The rate of setting of cement is slowed down by the addition of

Proteins are polymerisation products of

Also checkout

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?

Glass is a mixture of metallic .