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Metals And Non-metals Olympiad

Total questions: 40

Worksheet time: 40mins

Name
Class
Date
1.

What is not a property of a metal?

a)

Ductile

b)

Sonorous

c)

Malleable

d)

Low melting point

2.
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
3.

Name the metal which is in liquid state.

a)

Iron

b)

Mercury

c)

Zinc

d)

Aluminium

4.
Is gold metal or nonmetal?
a)
metal
b)
nonmetal
5.

What kind of densities do gases have?

a)

high

b)

medium

c)

low

6.
A student tested the conductivity of four elements using an incomplete electrical circuit. When the element is placed in the circuit, the bulb lights up brightly, lights up dimly, or does not light up at all based on the element’s ability to conduct electricity. The table below shows the results of her investigation. Based on the results of the conductivity test, which element is classified as a metal? 
a)
Hydrogen
b)
Arsenic
c)
Krypton
d)
Copper
7.

Which metal would be suitable for all of the following uses?
# Making aircraft bodies
# Making food containers
# Making overhead power cables

a)

aluminium

b)

mild steel

c)

gold

d)

pure iron

8.

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

9.

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

10.

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

11.

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

12.

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

13.

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

14.

Observe the given information with respect to some elements and choose the correct name of the elements


Elements A B C D

Electrons K 2 2 2 2

L 8 8 6 8

M 1 8 0 4

N 0 1 0 0

a)

A is Silicon, B is Sodium, C is Potassium

and D is Oxygen

b)

A is Potassium, B is Oxygen, C is Sodium

and D is Silicon

c)

A is Oxygen, B is Silicon, C is Potassium and

D is Sodium

d)

A is Sodium, B is Potassium, C is Oxygen and D is Silicon

15.

The handle in this picture is covered in a ___.

a)

metal

b)

non-metal

16.

At room temperature, a non-metal, such as oxygen (O), can be invisible.

a)

True

b)

False

17.

If iron nails are added to zinc sulphate solution ,the possible observation can be

a)

No reaction takes place

b)

A silvery white coating appears on iron nails

c)

A black coating appears on iron nails

d)

A pale green colour of solution is seen

e)

option 1

18.
The list which contains only metals is .......
a)
aluminium, copper, nitrogen
b)
iron, oxygen, hydrogen
c)
iron, silver, aluminium
d)
iron, sulphur, copper
19.
zinc + hydrochloric acid ---->
a)
zinc chloride
b)
zinc chloride + hydrogen
c)
zinc chloride + oxygen
d)
zinc chlorine + hydrogen
20.
Brass is a mixture of 
a)
lead and tin 
b)
copper and zinc 
c)
copper and tin 
21.
A metal  which occur in free state
 
a)
gold 
b)
zinc 
c)
lead 
d)
calcium
22.

The electronic configurations of three ele¬ments X, Y and Z are X — 2, 8; Y — 2, 8, 7 and Z — 2, 8, 2. Which’of the following is correct?

a)

X is a metal

b)

Y is a metal

c)

Z is a non-metal

d)

Y is a non-metal and Z is a metal

23.

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

a)

Na

b)

Ca

c)

Mg

d)

Fe

24.

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

25.

Which one of the following four metals would be displaced from the solution of its salts by other three metals ?

a)

Mg

b)

Ag

c)

Zn

d)

Cu

26.

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

a)

Na

b)

Ca

c)

Al

d)

Cu

27.

Al2O3 + 2NaOH → …… + H2O

a)

Al(OH)3

b)

Na2O

c)

NaAlO2

d)

AlNaO2

28.

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

a)

Magnesium

b)

Manganese

c)

Potassium

d)

Calcium

29.

Metals, except Al and Zn, react with oxygen to form _______ oxides.

a)

acidic

b)

neutral

c)

amphoteric

d)

basic

30.

What is just so typical of NON-metals?

a)

They don't know what colours go well together.

b)

Malleable.

c)

Form acidic oxides.

d)

Good conductors of electricity.

e)

High melting points.

31.
When an object changes shape when struck by a hammer.
a)
luster
b)
malleable
c)
brittleness
d)
ductile
32.
Some students conducted a laboratory investigation to learn more about the physical properties of different elements. They observed four samples and recorded their observations in the table . Based on these observations, which sample is most likely a nonmetal?
a)
Sample 1
b)
Sample 2
c)
Sample 3
d)
Sample 4
33.
What is the formula for aluminum fluoride?
a)
AlF
b)
Al2F3
c)
AlF3
d)
Al3F2
34.
If my charge becomes 2+ what does that say about me?
a)
I am stealing 2 electrons
b)
I am losing 2 electrons
c)
I am in period 2
d)
I have an atomic # of 2
35.
If I gain electrons I become
a)
Positive because I've added to my atom
b)
negative because I've added electrons
c)
same because i'm balanced
d)
equal because now I have electrons
36.
If an element has 3 valence electrons, what charge will likely form on its ion ?
a)
+3
b)
+5
c)
-3
d)
-5
37.

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

38.

What is the formula for copper(II) sulfate?

a)
CuSO3
b)
CuSO4
c)
Cu2SO3
d)
Cu2SO4
39.

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

a)

Aluminium oxide

b)

calcium oxide

c)

zinc oxide

d)

Both aluminium and zinc oxide

40.

The metal that will release hydrogen gas on reacting with Dilute nitric acid will be:

a)

Sodium

b)

Iron

c)

Magnesium

d)

Zinc