AQA GCSE Chemistry Unit 1

A quiz covering all types of topics from the AQA Chemistry syllabus.

?
What is a compound?
A group of different atoms chemically bonded together
1 of 27
What is the chemical symbol for Potassium?
K
2 of 27
The element Roentgenium (Rg) has 111 electrons. What is its atomic number?
111
3 of 27
Complete this sentence: Limestone is mainly made of the compound __________.
Calcium Carbonate
4 of 27
What is a use of limestone?
To make cement for construction
5 of 27
What is a metal ore?
A rock that contains enough of a metal to make it profitable to extract
6 of 27
Why are alloys of aluminium suitable for aeroplanes?
Aluminium has a low density
7 of 27
What is the melting point of Titanium?
1660 degrees Celsius
8 of 27
Why is copper useful in the industry?
It is an excellent conductor of electricity
9 of 27
Where in the periodic table are the transition metals found?
The middle
10 of 27
What is the process used to break down crude oil into smaller hydrocarbons?
Fractional Distillation
11 of 27
A molecule of diesel has 23 carbon atoms. How many hydrogen atoms are in this molecule?
48
12 of 27
What is the term for "unsaturated hydrocarbons"?
Alkenes
13 of 27
Complete this sentence: Longer chain hydrocarbons are __________.
More viscous
14 of 27
What is the main product of incomplete combustion?
Carbon Monoxide
15 of 27
Why do some fuels (i.e. coal) contribute to acid rain?
They contain impurities like sulfur
16 of 27
What is a disadvantage of using biofuels?
More farmland could be used for growing crops for biofuels rather than food
17 of 27
What colour does unsaturated fat turn bromine water?
Colourless
18 of 27
What is a catalyst?
A substance that speeds up a reaction without being used up
19 of 27
Which has more energy?
Vegetable oil
20 of 27
Why are unsaturated fats hydrogenated?
To harden them for use in spreads
21 of 27
What do emulsifiers do?
They stop oil and water separating out into layers
22 of 27
What causes plate boundaries to move?
Convection Currents
23 of 27
Which was the most abundant gas in the Earth's early atmosphere?
Carbon Dioxide
24 of 27
How did the oceans form on Earth?
Water Vapour in the early atmosphere condensed
25 of 27
How long ago do scientists believe life began?
3.4 billion years
26 of 27
What did Miller-Urey experiment prove?
That organic compounds can be made from non-biological material
27 of 27

Other cards in this set

Card 2

Front

What is the chemical symbol for Potassium?

Back

K

Card 3

Front

The element Roentgenium (Rg) has 111 electrons. What is its atomic number?

Back

Preview of the front of card 3

Card 4

Front

Complete this sentence: Limestone is mainly made of the compound __________.

Back

Preview of the front of card 4

Card 5

Front

What is a use of limestone?

Back

Preview of the front of card 5
View more cards

Comments

Jessie

Report


this is soo good - Thanks **

Similar Chemistry resources:

See all Chemistry resources »