Metals are usually heavy. A light metal is

Question

Metals are usually heavy. A light metal is

A. manganese

B. copper

C. potassium

D. plumbum

Share this question with your friends

Show all General Chemistry MCQ

Comment

The sugar which is used in silvering mirrors is

A. sucrose

B. maltose

C. glucose

D. fructose

Discuss this answer

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

Discuss this answer

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

Discuss this answer

The number of neutrons in the nucleus of an atom of mass A and atomic number Z is given by

A. A - Z

B. A + Z

C. Z

D. A

Discuss this answer

Water always contains hydrogen and oxygen in the ratio 1:8 by weight. This is in accordance with the

A. Law of Multiple Proportions

B. Law of Definite Proportions

C. Law of Conservation of Mass

D. Law of Reciprocal Proportions

Discuss this answer

Heavy water was discovered by

A. TW Richards

B. FW Aston

C. Stas

D. Urey

Discuss this answer

Hydrogen gas has

A. a very sweet smell

B. a very pungent smell

C. an irritating smell

D. no smell at all

Discuss this answer

The process that takes place in the atom bomb is

A. nuclear' fusion

B. radioactive disintegration

C. nuclear fission

D. chemical decomposition

Discuss this answer

The atomic number of an element represents

A. number of neutrons in the nucleus

B. number of protons and neutrons in the nucleus

C. the valency of the element

D. number of protons in the nucleus

Discuss this answer

Tincture iodine is a solution of

A. iodine in potassium iodide

B. iodine in alcohol

C. iodine in water

D. iodine in carbon disulphide

Discuss this answer

Which of the following is not a supporter of combustion?

A. Oxygen

B. Air

C. Hydrogen

D. Chlorine

Discuss this answer

Lead pencils contain

A. white lead

B. graphite

C. red lead

D. coke

Discuss this answer

The most abundant constituent in air is

A. hydrogen

B. nitrogen

C. oxygen

D. noble gases

Discuss this answer

Iron is rendered passive by

A. conc. H2SO4

B. conc. HCl

C. conc. HNO3

D. acetic acid

Discuss this answer

Acute diabetes patients smell of

A. acetone

B. ether

C. ethyl alcohol

D. methyl alcohol

Discuss this answer

Rooms in places infected by plague are disinfected using

A. bleaching powder

B. iodoform

C. sulphur dioxide

D. chlorine

Discuss this answer

Vinegar is an aqueous solution of

A. oxalic acid

B. citric acid

C. acetic acid

D. hydrochloric acid

Discuss this answer

The gas evolved when ammonium nitrate is heated is

A. nitrogen

B. nitric oxide

C. nitrogen peroxide

D. nitrous oxide

Discuss this answer

A hormone which contains iodine is

A. adrenalin

B. glucagon

C. epinephrin

D. thyroxin

Discuss this answer

Hypo' is

A. sodium nitrate

B. Potassium nitrate

C. sodium thiosulphate

D. ammonium chloride

Discuss this answer

Which of the following is not an alloy of copper?

A. Bronze

B. Brass

C. Solder

D. Gun metal

Discuss this answer

Mild steel contains

A. iron with very low percentage of carbon

B. iron with high percentage of carbon

C. iron and chromium

D. iron and manganese

Discuss this answer

In addition to nitric acid, another acid which may render iron passive is

A. acetic acid

B. oxalic acid

C. chromic acid

D. citric acid

Discuss this answer

Deficiency of iron causes

A. nervous disorders

B. heart diseases

C. anaemia

D. impairment of vision

Discuss this answer

Radium was isolated from

A. galena

B. dolomite

C. sylvine

D. pitchblende

Discuss this answer

Which of the following is used in fuel to propel rockets?

A. Petrol

B. Kerosene

C. Hydrazine

D. Alcohol

Discuss this answer

Mortar contains cement and sand in the ratio of

A. 1 : 1

B. 1 : 2

C. 2 : 3

D. 1 : 3

Discuss this answer

Which of the following is not a metal?

A. Lithium

B. Helium

C. Sodium

D. Cobalt

Discuss this answer

The depletion of the ozone layer in the upper atmosphere is due to -extensive use of

A. dichloro-phenoxy-acetic acid

B. superphosphate of lime

C. chlorofluorocarbons (CFC)

D. dichloro-diphenyl-trichloro-ethane

Discuss this answer

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

Discuss this answer

Accepted Answer

C. potassium

Metals are usually heavy. A light metal is

Correct Answer :

Show all General Chemistry MCQ

Related Questions

The sugar which is used in silvering mirrors is

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?

Water has an unusually high bolling point because

The number of neutrons in the nucleus of an atom of mass A and atomic number Z is given by

Water always contains hydrogen and oxygen in the ratio 1:8 by weight. This is in accordance with the

Heavy water was discovered by

Hydrogen gas has

The process that takes place in the atom bomb is

The atomic number of an element represents

Tincture iodine is a solution of

Which of the following is not a supporter of combustion?

Lead pencils contain

The most abundant constituent in air is

Iron is rendered passive by

Acute diabetes patients smell of

Rooms in places infected by plague are disinfected using

Vinegar is an aqueous solution of

The gas evolved when ammonium nitrate is heated is

A hormone which contains iodine is

Hypo' is

Which of the following is not an alloy of copper?

Mild steel contains

In addition to nitric acid, another acid which may render iron passive is

Deficiency of iron causes

Radium was isolated from

Which of the following is used in fuel to propel rockets?

Mortar contains cement and sand in the ratio of

Which of the following is not a metal?

The depletion of the ozone layer in the upper atmosphere is due to -extensive use of

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

Also checkout

Metals are usually heavy. A light metal is

Correct Answer :

Show all General Chemistry MCQ

Related Questions

The sugar which is used in silvering mirrors is

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?

Water has an unusually high bolling point because

The number of neutrons in the nucleus of an atom of mass A and atomic number Z is given by

Water always contains hydrogen and oxygen in the ratio 1:8 by weight. This is in accordance with the

Heavy water was discovered by

Hydrogen gas has

The process that takes place in the atom bomb is

The atomic number of an element represents

Tincture iodine is a solution of

Which of the following is not a supporter of combustion?

Lead pencils contain

The most abundant constituent in air is

Iron is rendered passive by

Acute diabetes patients smell of

Rooms in places infected by plague are disinfected using

Vinegar is an aqueous solution of

The gas evolved when ammonium nitrate is heated is

A hormone which contains iodine is

Hypo' is

Which of the following is not an alloy of copper?

Mild steel contains

In addition to nitric acid, another acid which may render iron passive is

Deficiency of iron causes

Radium was isolated from

Which of the following is used in fuel to propel rockets?

Mortar contains cement and sand in the ratio of

Which of the following is not a metal?

The depletion of the ozone layer in the upper atmosphere is due to -extensive use of

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

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?