Metals And Non Metals Test

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Metals And Non Metals Test - 5

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Weekly Quiz Competition

Question 1
1 / -0

Which one of the following is a non-metal that remains liquid at ordinary temperature?

A
Bromine

B
Phosphorus

C
Argon

D
Helium

Solution

Bromine is a non-metal that remains liquid at ordinary temperatures.
Question 2
1 / -0

There is no reaction when steam is passed over heated

A
copper

B
carbon

C
aluminium

D
iron

Solution

Copper does not react with steam because it is one of the most non-reactive metals.
Question 3
1 / -0

When steam is passed through red hot iron, the gas produced is

A
water gas

B
producer gas

C
hydrogen

D
oxygen

Solution

When steam is passed through red hot iron, it is converted into its oxide and hydrogen gas is produced.
Question 4
1 / -0

Carbon dioxide can be prepared by

A
the reaction of tin with sulphuric acid

B
the reaction of carbon with hydrochloric acid

C
the reaction of marble with sulphuric acid

D
the reaction of zinc with hydrochloric add

Solution

Carbon dioxide can be prepared by the reaction of marble with sulphuric acid.
Question 5
1 / -0

In aluminothermic process, aluminium plays a role

A
as a reducing agent

B
as an oxidising agent

C
as flux

D
to lower the melting point of material

Solution

In aluminothermic process, aluminium plays the role of a reducing agent.
Fe₂O₃ + 2Al → 2Fe + Al₂O₃
Question 6
1 / -0

Which of the following statements is not true about copper?

A
It is purified electrolytically.

B
It is used in alloys such as bronze and brass.

C
It is malleable and ductile.

D
It reacts readily with concentrated nitric acid forming hydrogen.

Solution

Copper does not form hydrogen on reaction with nitric acid as nitric acid is a strong oxidising agent. It oxidises copper to Cu²⁺ ions and the nitric acid is reduced to nitrogen dioxide, a poisonous brown gas with an irritating odour.
Cu (s) + 4HNO₃(aq) Cu(NO₃)₂(aq) + 2NO₂(g) + 2H₂O (l)

Question 7

1 / -0

Match the Metals (Column I) with their respective ores (Column II):

Column I	Column II
I. Lead	A. Haematite
II. Iron	B. Biotite
III. Mica	C. Galena
IV. Aluminium	D. Bauxite

I - C, II - A, III - B, IV - D

I - C, II - D, III - A, IV - B

I - B, II - A, III - C, IV - D

I - D, II - C, III - B, IV - A

Solution

Column I	Column II
I. Lead	(C) Galena
II. Iron	(A) Haematite
III. Mica	(B) Biotite
IV. Aluminium	(D) Bauxite

Question 8
1 / -0

A sample of natural water turns milky on boiling. It probably contains dissolved

A
calcium carbonate

B
calcium hydrogen carbonate

C
calcium sulphate

D
calcium chloride

Solution

A sample of natural water turns milky on boiling. It probably contains dissolved calcium hydrogen carbonate which decomposes on heating to form insoluble calcium carbonate.

Question 9

1 / -0

Match the following.

List I (Alloy)	List II (Composition)
I. Bronze	(A) Lead, Antimony and Tin
II. Brass	(B) Copper, Zinc and Nickel
III. German Silver	(C) Copper and Zinc
IV. Type Metal	(D) Copper and Tin

I - D, II - C, III - B, IV - A

I - B, II - A, III - D, IV - C

I - A, II - D, III - C, IV - B

I - C, II - A, III - D, IV - B

Solution

List I (Alloy)	List II (Composition)
I. Bronze	(D) Copper and Tin
II. Brass	(C) Copper and Zinc
III. German silver	(B) Copper, Zinc and Nickel
IV. Type metal	(A) Lead, Antimony and Tin

Question 10
1 / -0

Steel contains

A
carbon and manganese

B
carbon and nickel

C
carbon and iron

D
carbon and aluminium

Solution

Steel is an alloy of carbon and iron.
Question 11
1 / -0

The flux used in the blast furnace to remove the unwanted impurities is

A
basic

B
acidic

C
neutral

D
amphoteric

Solution

The flux which is used in the blast furnace to remove the unwanted impurities is basic in nature.
Question 12
1 / -0

Mercury is used as a solvent in refining

A
aluminium

B
silver

C
potassium

D
calcium

Solution

Mercury is used as a solvent in refining silver.
Question 13
1 / -0

Matrix is defined as

A
unwanted foreign material present in the ore

B
flux added to remove the unwanted impurities from ore

C
slag formed as a result of the reaction of flux with gangue

D
material used in the reduction of metal oxide to metal

Solution

Matrix is defined as an unwanted foreign material present in an ore.
Question 14
1 / -0

Brass is an alloy of

A
nickel and copper

B
iron and nickel

C
copper and silver

D
zinc and copper

Solution

Brass is an alloy of zinc and copper.
Question 15
1 / -0

Solder metal is an alloy of

A
tin and zinc

B
zinc and lead

C
zinc and copper

D
tin and lead

Solution

Solder metal is an alloy of tin and lead.
Question 16
1 / -0

Stainless steel is an alloy of iron and

A
chromium

B
nickel

C
chromium and nickel

D
chromium and silver

Solution

Stainless steel is an alloy of iron, chromium and nickel.
Question 17
1 / -0

Cadmium is used in nuclear reactors because it

A
slows down the speed of neutrons

B
speeds up the neutrons

C
absorbs the neutrons

D
releases neutrons

E
.

Solution

Control rods are used in nuclear reactors to control the fission rate of uranium and plutonium. They are composed of chemical elements such as boron, silver, indium and cadmium and are capable of absorbing many neutrons without themselves fissioning.
Question 18
1 / -0

Which of the following characteristics is common in both sodium (Na) and potassium (K), but different in magnesium (Mg)?

A
Number of electron shells

B
Number of valence electrons

C
Number of isotopes

D
Number of neutrons

Solution

The number of valence electrons is the same in both sodium and potassium, but different in magnesium. This is because sodium and potassium are elements of the same group.
Question 19
1 / -0

Which metal is generally mixed with gold to make ornaments?

A
Aluminium

B
Copper

C
Zinc

D
Platinum

Solution

Copper metal is mixed with gold to make ornaments.
Question 20
1 / -0

Gunpowder contains

A
a mixture of charcoal, sulphur and potassium nitrate

B
a mixture of sulphur, phosphorus and potassium chloride

C
a mixture of charcoal and phosphorus

D
a mixture of potassium nitrate and potassium sulphate

Solution

Gunpowder contains a mixture of charcoal, sulphur and potassium nitrate.

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Re-Attempt Weekly Quiz Competition

Metals And Non Metals Test - 5

Result

Metals And Non Metals Test - 5

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SHARING IS CARING

Question 1

Bromine

Phosphorus

Argon

Helium

Solution

Question 2

copper

carbon

aluminium

iron

Solution

Question 3

water gas

producer gas

hydrogen

oxygen

Solution

Question 4

the reaction of tin with sulphuric acid

the reaction of carbon with hydrochloric acid

the reaction of marble with sulphuric acid

the reaction of zinc with hydrochloric add

Solution

Question 5

as a reducing agent

as an oxidising agent

as flux

to lower the melting point of material

Solution

Question 6

It is purified electrolytically.

It is used in alloys such as bronze and brass.

It is malleable and ductile.

It reacts readily with concentrated nitric acid forming hydrogen.

Solution

Question 7

I - C, II - A, III - B, IV - D

I - C, II - D, III - A, IV - B

I - B, II - A, III - C, IV - D

I - D, II - C, III - B, IV - A

Solution

Question 8

calcium carbonate

calcium hydrogen carbonate

calcium sulphate

calcium chloride

Solution

Question 9

I - D, II - C, III - B, IV - A

I - B, II - A, III - D, IV - C

I - A, II - D, III - C, IV - B

I - C, II - A, III - D, IV - B

Solution

Question 10

carbon and manganese

carbon and nickel

carbon and iron

carbon and aluminium

Solution

Question 11

basic

acidic

neutral

amphoteric

Solution

Question 12

aluminium

silver

potassium

calcium

Solution