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10-01-2022 Year 9 Chemistry Quiz 4 KS3 C2 Part 2

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

True or false: A change in state is a chemical reaction

a)

True - something melting would be an example of a chemical reaction

b)

False - a change in state is a physical change

2.

In a word equation, the starting chemicals are called...

a)

reactants

b)

products

c)

ingredients

3.

In this chemical reaction, which is the product/s?

Magnesium + Oxygen --> Magnesium oxide

a)

magnesium

b)

magnesium and oxygen

c)

magnesium oxide

d)

oxygen

4.
Which of these is a result of a chemical change?
a)
A mixture
b)
A solution
c)
A new substance
d)
Melting or freezing
5.

Melting chocolate

a)

physical change

b)

chemical change

6.

Fireworks going off

a)

physical change

b)

chemical change

7.

Cutting paper

a)

physical change

b)

chemical change

8.

Making toast

a)

physical change

b)

chemical change

9.
Which of the following is an example that includes evidence of a chemical reaction?
a)
A sample of zinc is placed in water and it settles to the bottom
b)
A solid block of ice is heated and it completely melts into a liquid. 
c)
Sugar that is burned gives off an odor and turns brown and then black.
d)
A tomato is placed into a blender and chopped up into smaller pieces.
10.
Which of the following is evidence of a chemical reaction?
a)
fizzing
b)
water changing to ice
c)
saltwater
d)
paper being cut in half
11.

What type of reaction occurs when a more reactive element takes the place of a less reactive element?

a)

thermal decomposition

b)

combustion

c)

displacement

d)

switching

12.

Which of the following is more reactive?

a)

Calcium

b)

Magnesium

c)

Zinc

d)

Magnesium

13.
A displacement reaction will occur when...
a)
a more reactive metal displaces a less reactive metal from its compound.
b)
A less reactive metal displaces a more reactive metal from its compound
c)
Displacement only occurs when two of the same metals are reacted 
d)
Displacement reactions will only occur in metals above iron in the reactivity series
14.

Which one of the following combinations 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

15.

What will the products of this reaction be?

calcium + zinc nitrate --------->

a)

Calcium + zinc nitrate

b)

Zinc + calcium nitrate

c)

there will be no reaction

d)

Zinc + calcium chloride

16.
Which metal is the least reactive out of: copper, magnesium, zinc and iron?
a)
copper
b)
magnesium
c)
zinc
d)
iron
17.
Which equation correctly shows the displacement of copper by zinc?
a)
copper + zinc sulphate --> copper sulfate + zinc
b)
zinc sulphate + copper --> copper sulfate + zinc
c)
copper sulfate + zinc --> zinc sulfate + copper
18.
Which equation correctly shows the displacement of copper by magnesium?
a)
2Mg + O2 --> 2MgO
b)
Mg + CuSO4 --> MgSO4 + Cu
c)
Mg + MgSO4 --> MgSO4 + Mg
19.
Which of the following will not undergo reaction?
a)
zinc metal  +  zinc oxide 
b)
iron metal  +  copper oxide
c)
zinc metal +  iron oxide
d)
magnesium  +  iron oxide
20.

Metals can be put in order of their reactivity, this is called the ....

a)

reactivity order

b)

reactivity series

c)

substitution series

d)

displacement series

21.

Metals ......

a)

conduct heat and electricity

b)

are ductile

c)

are malleable and sonorous

d)

are all of the above

22.

Metals are found where on the periodic table

a)

on the left and the middle

b)

on the right only

c)

in the middle only

d)

on the left only

23.

When metals react with oxygen they make....

a)

metal chlorides

b)

metal carbonates

c)

metal oxides

d)

Alloys

24.

Which group are known as the alkali metals?

a)

Group 0

b)

Group 7

c)

Group 2

d)

Group 1

25.

Group 1 metal + Water --> ?

a)

metal hydroxide + water

b)

metal hydroxide + carbon dioxide

c)

metal hydroxide + hydrogen

d)

metal hydroxide + oxygen

26.

Which metal in group 1 is the least reactive?

a)

Li - lithium

b)

Na - sodium

c)

K - potassium

d)

Rb - rubidium

27.
Alkali metals are found in which group of the periodic table?
a)
Group 1
b)
Group 2
c)
Group 7
d)
group 8 
28.
What is formed when sodium reacts with water?
a)
sodium oxide and hydrogen
b)
sodium hydroxide and hydrogen
c)
sodium hydroxide and oxygen
d)
sodium hydroxide and carbon dioxide
29.
Which of the following is NOT an alkali metal
a)
Li
b)
Cl
c)
K
d)
Cs
30.

What colour do the alkali metals turn the universal indicator when they are added to the water?

a)

Orange

b)

Red

c)

Blue

d)

Green

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