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Metals & Non Metals - Grade 8 ANNUAL EXAM

Total questions: 60

Worksheet time: 30mins

Name
Class
Date
1.
Which of these grouping of elements could have the characteristic of luster (shiny)?
a)
Metal
b)
Nonmetal
c)
metalloids
d)
Both metals and metalloids
2.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
3.
Brittle
a)
Metal
b)
Nonmetal
4.
Which element is a metalloid?
a)
Titanium
b)
Selenium
c)
Potassium
d)
Polonium
5.
Iron is a good conductor, malleable and magnetic. What type of element is Iron? 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
6.

The only non-metal which is liquid at room temperature is

(a)  

7.

The non-metal which is a very good conductor of electricity.

(a)  

8.

Which of the following metals is used for making foil to pack foodstuff?

a)

Aluminium

b)

Mercury

c)

Sodium

d)

Copper

9.

Metals react with oxygen to form:

a)

Basic oxides

b)

Acidic oxides

c)

Neutral oxides

d)

None of these

10.

Sulphur reacts with oxygen to form:

a)

Sulphur nitrate

b)

Sulphur dioxide

c)

Sulphate

d)

Sulphide

11.

The property of metal used for making temple bells is:

(a)  

12.

Metals react with water to form ______gas.

a)

Nitrogen

b)

Oxygen

c)

Hydrogen

d)

Ozone

13.

Which of the following statements is incorrect?

a)

Metals have lustre

b)

Metals are malleable

c)

Metals are good conductors of electricity

d)

Metals are poor conductors of heat

14.

The process of depositing a layer of zinc on iron articles is called (a)   .

15.

A __________reactive metal can displace a ________reactive metal from its salt solution.

(a)  

16.

A sample of gas was found to burn with a pop. Which of the following could have given this result?

a)

Carbon Dioxide

b)

Hydrogen

c)

Nitrogen

d)

Oxygen

17.

An example of metal which can be cut with a knife is (a)   .

18.

Magnesium oxide dissolves in water to form (a)   .

19.

The arrangement of metals in a series in the decreasing order of their reactivity is called (a)   .

20.

Metals are sonorous in nature. What is sonorous?

a)

Making into powder

b)

Drawn into wires

c)

Make sound on beating

d)

None of these

21.
What does malleable mean?
a)
able to bend
b)
will break easily
c)
can be used for wire
d)
is shiny
22.
What does ductile mean?
a)
electricity flows easily
b)
quacks like a duck
c)
can be drawn into a wire
d)
able to bend
23.

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

24.

Tick 2 metals that are magnetic.

a)

Zinc

b)

Steel

c)

Iron

d)

Brass

25.

"Tarnish" means...

a)

Attracted to a magnet

b)

Metal breaking down

c)

Metal changing and going dull

d)

Mixing metals together

26.

What causes metals to rust or tarnish?

a)

Water and oil

b)

Water and air

c)

Air and oil

d)

Paint and air

27.

"Plating" means...

a)

To be attracted to a magnet

b)

To lose its shine

c)

Metal coated by another metal

d)

Carry electricity

28.

Chemical symbol for Gold

a)

Go

b)

G

c)

Au

d)

Mn

29.

Galvanizing is a process of:

a)

Applying a Zinc coating to bare steel

b)

Washing the body with the phosphate coating

c)

dipping a body in E-COAT

d)

Chemically etching primer to steel

30.
A mixture of different metals is known as
a)
Metal mix
b)
cement
c)
Alloy
d)
atom
31.

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.

32.
A metal  which occur in free state
 
a)
gold 
b)
zinc 
c)
lead 
d)
calcium
33.
Which of these elements is unlikely to be found native?
a)
gold
b)
platinum
c)
aluminium
d)
silver
34.
What is a conductor?
a)
Heat and electricity move through them easily
b)
able to be drawn into a wire
c)
able to be hammered into different shapes
d)
shiny
35.
A student is examining the physical properties of a sample. The sample is malleable, but does not conduct electricity nor have luster. This sample would be a...
a)
metal 
b)
nonmetal 
c)
metalloid
36.
Which type of elements are used in computer chips, lasers, and transistors?
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Metals and Metalloids
37.
When an object changes shape when struck by a hammer.
a)
luster
b)
malleable
c)
brittleness
d)
ductile
38.

More reactive metal displaces less reactive metal from its salt solution is known as

a)

Combination reaction

b)

Displacement reaction

c)

Neutral reaction

d)

None of the above

39.

Non-metal used in water purification process

a)

Oxygen

b)

Nitrogen

c)

Chlorine

d)

Iodine

40.

Non-metal used in purple colour solutions which is applied on wounds as an antiseptic

a)

Iodine

b)

Oxygen

c)

Sulphur

d)

Phosphorus

41.

Metals react with water to produce

a)

Metal hydroxide

b)

Hydrogen gas

c)

Metal hydroxide and hydrogen gas both

d)

None of the above

42.

Zinc is more reactive than

a)

Copper

b)

Iron

c)

Copper and Iron both

d)

Only iron

43.

Sodium is very reactive metal because it reacts vigorously with oxygen and water and

a)

Generate heat

b)

Catches fire

c)

Stored in kerosene

d)

All of the above

44.

Metals create _________ ions, because they give away (lose) electrons.

a)

positive

b)

negative

c)

neutral

45.
complete the word equation, Iron + Oxygen goes to
a)
Rust
b)
Iron Oxide
c)
Iron Dioxide
d)
Iron fluoride
46.

The only non-metal which is liquid at room temperature is

(a)  

47.

The non-metal which is a very good conductor of electricity.

(a)  

48.

The non-metal which is a very good conductor of electricity.

(a)  

49.

The arrangement of metals in a series in the decreasing order of their reactivity is called (a)   .

50.

Look at part of the reactivity series? Which one of the following statements is correct?

a)

zinc is more reactive than magnesium

b)

copper is the most reactive

c)

tin is more reactive than lead

d)

lead is more reactive than aluminium

51.

calcium is more reactive than iron. What will be produced when calcium sulphate and iron are mixed together?

a)

no reaction happens so the reactants stay the same

b)

calcium and iron sulphate

c)

iron sulphate and hydrogen

d)

water and iron sulphate

HIDE ANSWER

52.

Which one of the following Would the following result in a displacement reaction?

a)

Iron with magnesium chloride

b)

magnesium with iron chloride

c)

Iron with Zinc Sulphate

d)

gold with silver nitrate

53.

The list which contains only metals is .......

a)

aluminium, copper, nitrogen

b)

iron, oxygen, hydrogen

c)

iron, silver, aluminium

d)

iron, sulphur, copper

54.

Is potassium malleable?

a)

Yes

b)

No

55.

What happens when non-metals react with water?

a)

They melt

b)

Thay don't react

c)

They usually don't react

d)

Not taught

56.

copper+carbon dioxide+water+oxygen=copper hydroxide+______________

a)

copper carbonate

b)

carbon dioxide

c)

copper oxide

d)

Don't know

57.

Sodium is stored in ____________________

a)

Water

b)

Exposed to air

c)

Kerosene

d)

Oil

58.

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

a)

Na

b)

Ca

c)

Al

d)

Cu

59.

_____ is used in making of matchsticks, matchboxes and fireworks.

a)

Carbon

b)

Nitrogen

c)

Phosphorous

d)

Sulphur

60.

what is the only non metal in reactivity series

a)

sulphur

b)

fluorine

c)

boron

d)

hydrogen

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