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Chemistry Class X - Metals and Nonmetals Revision

Total questions: 50

Worksheet time: 2hrs 34mins

Name
Class
Date
1.

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.

2.

A metal high in the reactivity series.....

a)

Forms unstable compounds.

b)

Can be obtained by the reduction of the ore with the carbon.

c)

Readily gains electrons.

d)

Burns to form basic oxides.

e)

Reacts readily with cold water to form Hydrogen.

3.

Which of the following is true of all metals?

a)

They react with acids to form Hydrogen

b)

They are denser than water

c)

They conduct electricity

d)

They're silver in colour.

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.
A metal  which occur in free state
 
a)
gold 
b)
zinc 
c)
lead 
d)
calcium
6.
Metalloids _____________
a)
have no properties of metals.
b)
have no properties of nonmetals.
c)
have some properties of both metals and nonmetals.
d)
none of the above
7.
Which of these elements is unlikely to be found native?
a)
gold
b)
platinum
c)
aluminium
d)
silver
8.
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
9.
If a student observes a silvery solid that is malleable, good conductor, and ductile it is a...
a)
nonmetal 
b)
metal 
c)
metalloid
10.
Which type of elements are used in computer chips, lasers, and transistors?
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Metals and Metalloids
11.
When an object changes shape when struck by a hammer.
a)
luster
b)
malleable
c)
brittleness
d)
ductile
12.
Which element is a metalloid?
a)
Titanium
b)
Selenium
c)
Potassium
d)
Polonium
13.
The word “luster” refers to which property of matter?
a)
The ability to conduct electrical or thermal energy
b)
Capable of being drawn out into thin wires
c)
The way a surface appears when it reflects light
d)
Suitable for being shaped by beating or rolling
14.
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
15.

Which of the following is MOST reactive?

a)

Magnesium

b)

Lead

c)

Tin

d)

Copper

e)

Zinc

16.

Which metal is more reactive than calcium?

a)

magnesium

b)

potassium

c)

silver

d)

aluminum

17.

Choose the least reactive metal

a)

calcium

b)

magnesium

c)

iron

d)

copper

18.

What does displacement mean?

a)

A chemical reaction where a less reactive metal takes the place of a more reactive metal in a compound.

b)

A chemical reaction where a more reactive metal takes the place of a less reactive metal in a compound.

c)

A more reactive metal is removed from a compound.

19.

Magnesium chloride + Sodium → ?

a)

Sodium chloride + Magnesium

b)

Magnesium chloride + Sodium (No change)

c)

Sodium magnesium + Chlorine

20.

Iron nails + copper oxide → ?

a)

Iron nails + copper oxide

b)

Iron oxide + copper oxide

c)

Iron oxide + copper

d)

Magic

21.
Which of the following is arranged according increasing reactivity?
a)
Mg > Li > Na > K
b)
Mg > Na > Li > K
c)
Na > Li > Mg > K
d)
K > Mg > Na > Li
22.
Which one of the following equations correctly represents the reaction of silver nitrate with copper metal?
a)
CuNO3(aq) + Ag(s) → Cu(s) + AgNO3(aq)
b)
Cu(s) + 2 AgNO3(aq) → Cu(NO3)2(aq) + 2 Ag(s)
c)
Cu(s) + AgNO3(aq) → CuNO3(aq) + Ag(s)
d)
Cu(s) + Ag(NO3)2(aq) → Cu(NO3)2(aq) + Ag(s)
23.
When scrap iron is added to blue copper sulphate solution, a pinky-brown deposit is formed and a pale green solution is left above it. The pale green solution is of?
a)
 iron oxide
b)
copper chloride
c)
sulphuric acid
d)
iron sulphate
24.
If the metal is more reactive than the metal in the compound it completes with the less reactive metal. Therefore, it can concluded that ...
a)
The less reactive metal repel the more reactive metal from its compound
b)
The more reactive metal bonded with  the less reactive metal from its compound
c)
The less reactive metal pushes out or displaces the more reactive metal from its compound
d)
The more reactive metal pushes out or displaces the less reactive metal from its compound
25.
What will be reaction if less reactive metal is added in a solution with more reactive metal compound?
a)
vigorous reaction
b)
fizzing gas produced
c)
burns moderately
d)
no reaction
26.
Acid + Metal --> ?
a)
Salt + Water
b)
Salt + Hydrogen
c)
Salt
d)
Hydrogen
27.

A copper coil is placed inside a solution of silver nitrate. What would you expect to see after 5 minutes? Choose 2 options.

a)

There is no visible change because no displacement reaction took place. Copper, being less reactive than silver, cannot displace silver from silver nitrate.

b)
c)
d)

Silver crystals were formed on copper coil, because copper (being more reactive than silver) displaced silver from silver nitrate.

28.

What is the most likely identity of the metal on the filter paper?

a)

Copper, because it is grey.

b)

Potassium, because it can be cut with a knife showing it is soft.

c)

Iron, because it looks grey and all iron looks grey.

29.

Read the underlined words carefully. Rank the metals according to decreasing reactivity (most reactive to least reactive).

a)

Metal A, B, C, D

b)

Metal A, C, B, D

c)

Metal B, C, D, A

d)

Metal D, B, C, A

30.

Zn(s) + CoO(s) -> ZnO + Co(s)
In the reaction above which metal is higher the reactivity series?

a)

O

b)

Co

c)

Zn

31.

Which of the following are necessary for rusting to occur ?

a)

salt

b)

water

c)

oxygen

d)

heat

32.

What prevents rusting?

a)

Painting

b)

Washing

c)

Dusting

d)

Sanding

33.

Which of the followings is not a protection method of rusting?

a)

Galvanizing

b)

Electroplating

c)

Sacrificial metal

d)

Heating with carbon

34.

What metal in reactivity series is extracted by electrolysis?

a)

Iron

b)

Lithium

c)

Lead

d)

Gold

35.
Metals tend to 
a)
gain electrons
b)
lose electrons
36.
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
37.
When metals bond with non-metals they form what type of bonds
a)
covalent
b)
ionic
c)
cooperative
d)
lewis
38.
How do the following two elements bond together?
Cr3+  O2-         
a)
CrO
b)
Cr3O2
c)
Cr2O3
d)
CrO3
39.
When a nonmetal gains electrons, it becomes this type of ion.
a)
Anion
b)
Cation
40.
Which of the following is NOT an ionic compound:
a)
CaO
b)
NaOH
c)
BaCl2
d)
Br2
41.
What is the correct formula for the compound, lithium oxide?
a)
LiO
b)
Li2O
c)
LiO2
d)
Li2O2
42.
The name for CrN:
a)
Chromium nitride
b)
Chromium (I) nitride
c)
Chromium (III) nitride
d)
Chromium nitride (III)
43.
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
44.
The name of Cu₃N₂ is
a)
copper (III) nitride
b)
copper (II) nitride
c)
copper nitride
d)
tricopper dinitride
45.
Is hydrogen considered a metal or a non-metal?
a)
A metal
b)
Nonmetal
c)
Metalloid
46.

Cations

a)

Gain electrons, has an overall positive charge

b)

Lose electrons, has an overall positive charge

c)

Lose electrons, has an overall negative charge

d)

Gain electrons, has an overall negative charge

47.
If an oxygen atom has 8 protons (+) and 10 electrons (-), what is it's charge?
a)
O10-
b)
O8+
c)
O2-
d)
O10+
48.

A salt is formed when nitric acid combines with sodium hydroxide. What are present in the salt that forms?

a)

Sodium chloride

b)

sodium ions and nitrate ions

c)

only sodium ions

d)

only nitrate ions

49.

Which of the following preparation of salt is incorrect?

a)

acid + alkali

b)

acid + metal oxide

c)

acid + carbonate

d)

acid + acid

50.

Which of the following is not a use of a salt as a food preservative?

a)

ammonium sulphate, (NH4)2SO4 to preserve fruit jam

b)

common salt, NaCl to prepare salted fish

c)

sodium benzoate, C6H5COONa to preserve sauces

d)

sodium nitrite, NaNO2 to preserve sausages

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