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Metals and Non metals

Total questions: 60

Worksheet time: 3600secs

Name
Class
Date
1.
Which type of elements are used in computer chips, lasers, and transistors?
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Metals and Metalloids
2.

Identify the correct group of soft metals from the following

a)

Sodium, Alluminium and Copper

b)

Sodium, Potassium and Lithium

c)

Copper, Manganese and Magnesium

d)

Zinc, Barium and Lithium

3.

Zn, Fe, Al and Mg. When we arrange these elements in the ascending order of their

reactivity series we get

a)

Mg < Al < Zn < Fe

b)

Al < Mg < Fe < Zn

c)

Zn < Al < Mg < Fe

d)

Fe < Zn < Al < Mg

4.
Where are the non-metallic elements found in the periodic table?
a)
In the middle
b)
In the top rows
c)
On the left-hand side
d)
On the right-hand side
5.
Which of the following is a property of a non-metal?
a)
Conducts electricity and heats well
b)
Can be hammered into thin sheets
c)
Is brittle and breaks easily
d)
Has a shiny, metallic luster
6.
The list which contains only metals is .......
a)
aluminium, copper, nitrogen
b)
iron, oxygen, hydrogen
c)
iron, silver, aluminium
d)
iron, sulphur, copper
7.

_____ is used in vulcanization of rubber

a)

Sodium

b)

Chlorine

c)

Sulphur

d)

Iodine

8.

_______ are used in match sticks heads

a)

Nickel and Phosphorus

b)

Phosphorus and Neon

c)

Gold and Sulfur

d)

Phosphorus and Sulfur

9.

The solution of ash of magnesium ribbon is

a)

acidic      

b)

basic             

c)

neutral     

d)

all of these

10.

Amphoteric oxides react with both acids and alkali to form salt and water. Pick the amphoteric oxide (s)

a)

Aluminium oxide

b)

calcium oxide

c)

zinc oxide

d)

Both aluminium and zinc oxide

11.

Of these, the metals which occur  in free state as well as combined state are

a)

Na, Mg                   

b)

Mg, Au               

c)

Zn, K

d)

Cu, Ag

12.

Select the correct statement:

a)

All ores are minerals

b)

All minerals are ores

13.

The correct pair of best conductors of heat are

a)

Alluminium and Silver

b)

Copper and Silver

c)

Silver and Zinc

d)

Zinc and Magnesium

14.

Lead and Mercury are

a)

Best conductors of heat

b)

Bad conductors of heat

c)

Poor conductors of heat

d)

Bad conductors of electricity

15.

Elements do not react with oxygen even at high temperature are

a)

Gold and Silver

b)

Magnesium and Alluminium

c)

Sodium and Potassium

d)

Copper and Zinc

16.

Hydrogen gas is not liberated when a metal reacts with HNO3. This is because

HNO3 is a

a)

Weak oxidizing agent

b)

Strong oxidizing agent

c)

Weak reducing agent

d)

Strong reducing agent

17.

Alloys are the

a)

Heterogenous mixture of metals and non-metals

b)

Heterogenous mixture of two or more metals

c)

Homogenous mixture of metals and non-metals

d)

Homogenous mixture of two or more non-metals

18.
Which type of elements are used in computer chips, lasers, and transistors?
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Metals and Metalloids
19.
When an object changes shape when struck by a hammer.
a)
luster
b)
malleable
c)
brittleness
d)
ductile
20.
John was observing the physical properties of elements in order to classify them as either a metal, nonmetal, or metalloid. The first element was dull, brittle, and did not conduct heat. What would its classification be? 
a)
metal 
b)
nonmetal 
c)
metalloid
21.

Which of the following alloys contains a non-metal as one of the constituents?

a)

(a) Brass

b)

(b) Amalgam

c)

(c) Steel

d)

(d) Bronze

22.

The atomic number of an element Y is 17. The number of electrons in its ion  X−X^-    will be:

a)

(a) 17

b)

(b) 18

c)

(c) 19

d)

(d) 20

23.

X+X^+  

The atomic number of an element X is 19. The number of electrons in its ion will be:

a)

(a) 19

b)

(b) 18

c)

(c) 20

d)

(d) 21

24.

The atomic numbers of four elements A, B, C and D are 6, 8, 10 and 12 respectively. The two elements

which can react to form ionic bonds (or ionic compound) are:

a)

(a) A and D

b)

(b) B and C

c)

(c) A and C

d)

(d) B and D

25.

Generally, non-metals are not conductors of electricity. Which of the following is a good conductor of

electricity?

a)

(a) Diamond

b)

(b) Graphite

c)

(c) Sulphur

d)

(d) Fullerene

26.

The electronic configurations of three elements X, Y and Z are X – 2, 8; Y – 2, 8, 7 and Z – 2, 8, 2.

Which of the following is correct?

a)

(a) X is a metal.

b)

(b) Y is a metal.

c)

(c) Z is a non-metal.

d)

(d) Y is a non-metal and Z is a metal.

27.

An element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept in open.

It reacts vigorously with water. Identify the element from the following:

a)

(a) Mg

b)

(b) Na

c)

(c) P

d)

(d) Ca

28.

Metals are refined by using different methods. Which of the following metals are refined by electrolytic

refining?

(i) Au

(ii) Cu

(iii) Na

(iv) K

a)

(a) (i) and (ii)

b)

(b) (i) and (iii)

c)

(c) (ii) and (iii)

d)

(d) (iii)and (iv)

29.

An alloy reacted with dilute hydrochloric acid to produce a gas which ‘pops’ a lighted splint. The

residue reacted with dilute nitric acid to form a blue solution. Which one of the following pairs of

metals is present in the alloy?

a)

(a) Copper and lead

b)

(b) Lead and magnesium

c)

(c) Copper and magnesium

d)

(d) Lead and zinc

30.

Generally metals react with acids to give salt and hydrogen gas. Which of the following acids does not

give hydrogen gas on reacting with metals (except Mn and Mg)?

a)


(a) H2SO4\left(a\right)\ H_{2^{ }}SO_4

b)

(b) HCl

c)

(c) HNO3HNO_3

d)

(d) All of these

31.

Due to its semiconductor properties the non-metal used in computer, T.V. etc. is

a)

(a) Carbon

b)

(b) Silicon

c)

(c) Bromine

d)

(d) Fluorine

32.

Aluminium is used for making cooking utensils. Which of the following properties of aluminium are

responsible for the same?

(i) Good thermal conductivity

(ii) Good electrical conductivity

(iii) Ductility

(iv) High melting point

a)

(a) (i) and (ii)

b)

(b) (i) and (iii)

c)

(c) (ii) and (iii)

d)

(d) (i) and (iv)

33.

The ability of metals to be drawn into thin wires is known as

a)

(a) ductility

b)

(b) malleability

c)

(c) sonority

d)

(d) conductivity

34.

Which one of the following metals do not react with cold as well as hot water?

a)

Na

b)

Ca

c)

Mg

d)

Fe

35.

Which of the following oxide(s) of iron would be obtained on prolonged reaction of iron with steam?

a)

FeO

b)

Fe2O3

c)

Fe3O4

d)

Fe2O3 and Fe3O4

36.

Which of the following are not ionic compounds?

(i) KCl

(ii) HCl

(iii) CCl4

(iv) NaCl

a)

(i) and (ii)

b)

(ii) and (iii)

c)

(iii) and (iv)

d)

(i) and (iii)

37.

Although metals form basic oxides, which of the following metals form an amphoteric oxide ?

a)

Na

b)

Ca

c)

Al

d)

Cu

38.

Al2O3 + 2NaOH → …… + H2O

a)

Al(OH)3

b)

Na2O

c)

NaAlO2

d)

AlNaO2

39.

Which of the following metals catch fire on reaction with air?

a)

Magnesium

b)

Manganese

c)

Potassium

d)

Calcium

40.

What is the formula of the only important ore of Hg?

a)

Hg2S

b)

HgS2

c)

Hg3S

d)

HgS

41.

What is the composition of Solder?

a)

Tin + copper.

b)

Zinc + copper.

c)

Tin + lead

d)

Tin + Zinc

42.

Which metal has the highest melting point?

a)

Sn

b)

W

c)

Sb

d)

Pb

43.

Which is the most reactive Halogen ?

a)

Iodine.

b)

Chlorine .

c)

Fluorine.

d)

Bromine.

44.

When Phosphorous is burnt in air, it reacts with oxygen to form

a)

Phosphorous Pentoxide

b)

Phosphorous Septoxide

c)

Phosphorous Octoxide

d)

Phosphorous Oxide

45.

Sulphur dioxide dissolves in water to form

a)

Sulphuric acid

b)

Sulphurous acid

c)

Sulphur hydroxide

d)

Sulphurous oxide

46.

Which of the following is the most reactive element in the following?

a)

Nickel

b)

Lead

c)

Aluminium

d)

Zinc

47.

Which of these compounds is commercially called hydrolith

a)

Potassium Hydride .

b)

Sodium Hydride.

c)

Calcium Hydride.

d)

Magnesium Hydride

48.

Which of the following metal is used in strengthening the economy and defense of a country?

a)

Copper

b)

Aluminium

c)

Titanium

d)

Manganese

49.

Anodising is a process of forming a

a)

Thick oxide layer of zinc.

b)

Thin hydroxide layer of zinc.

c)

Thick oxide layer of aluminium.

d)

Thick hydroxide layer of aluminium.

50.

Cans are coated with tin not with zinc

a)

Zinc is more reactive

b)

Zinc is costlier

c)

Zinc has a higher melting point

d)

Zinc is less reactive

51.

which of the following is the best malleable metal?

a)

Silver

b)

Aluminium

c)

Gold

d)

lead

52.

The process of coating iron with a thin layer is called?

a)

Galvanisation

b)

rusting

c)

sublimation

d)

Photosynthesis

53.

Pure gold is off?

a)

23 carats

b)

22 carats

c)

24 carats

d)

26 carats

54.
A chemical bond resulting from the electrostatic attraction between positive and negative ions is called a(n)
a)
covalent bond.
b)
ionic bond.
c)
charged bond.
d)
dipole bond.
55.

Potassium (K), an alkali metal, and magnesium (Mg), an alkaline earth metal, both combine readily with bromine (Br), a halogen. What compound will each element (K and Mg) most likely form with bromine?

a)

KBr and Mg2Br

b)

KBr and MgBr

c)

K2Br and Mg2Br

d)

KBr and MgBr2

56.

Unknown element W has 2 valence electrons. Unknown element X has 7 valence electrons. Which formula shows the most likely outcome when elements W and X react?

a)

WX

b)

WX2

c)

W2X

d)

W2X2

57.

A strong oxidising agent is

a)

Hydrochloric acid

b)

Methanoic acid

c)

Nitric acid

d)

Acetic acid

58.
What is the formula for aluminum fluoride?
a)
AlF
b)
Al2F3
c)
AlF3
d)
Al3F2
59.
A chemical bond resulting from the electrostatic attraction between positive and negative ions is called a(n)
a)
covalent bond.
b)
ionic bond.
c)
charged bond.
d)
dipole bond.
60.
What is the formula for copper(I) sulfate?
a)
CuSO3
b)
CuSO4
c)
Cu2SO3
d)
Cu2SO4

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