CHEMISTRY PAPER 2 2018 AQA QUIZ summary c9-c15

Check where you are with this quiz - This is for AQA, a summary of all the topics that could come up for PAPER 2 - TRIPLE SCIENCE (chem)- treat this as a test paper 

?
What is crude oil?
A liquid which contains a mixture of hydrocarbons not chemically combined
1 of 16
What are the properties of a hydrocarbon?
Short chains, good fuels, highly flammable, less smoky flames and ignite&burn well
2 of 16
What is the collision theory?
Reacting particles which need to bump into eachother and collide in high speed with enough energy so the reaction can take place
3 of 16
What does increasing the concentration do to a reaction?
Increases rate of reaction because there are more frequent collisions of particles as theres more particles in a given value
4 of 16
Ethene+Bromine--> ?
dibroethane
5 of 16
What are the products of condensation polymerisation?
a condensation polymer and a small molecule
6 of 16
What are the two functional groups of amino acids?
-COOH and -NH2
7 of 16
What is meant by purity?
A pure substance is one that is made up from one substance which is either a compound or an element
8 of 16
What is Flame Emission Spectroscopy used for?
To identify metal ions
9 of 16
How did earths atmosphere lower the levels of CO2 in the air?
Algae and plants respire which take in the C02 to photosynthesise
10 of 16
What are the consequences of an increase in green house gases
Sea level rise, climate change, changes of distribution and change in temperature
11 of 16
Which NATURAL resource is used in the chemical industry to make new products?
Limestone to make concrete and cement
12 of 16
What is the brief process of extracting copper from its ore?
Copper+sulphuric acid to make copper sulphate, smelting to make impure copper, goes through electrolysis
13 of 16
What does galvanised mean? Example
Iron is covered in zinc to protect iron from rusting because its a stronger reducing agent
14 of 16
What is an alloy and why is it useful?
Its a mixture of different sized metal ions which are useful because they dont slip easily
15 of 16
How do you classify polymers?
By looking at what happens to them when theyre heated
16 of 16

Other cards in this set

Card 2

Front

What are the properties of a hydrocarbon?

Back

Short chains, good fuels, highly flammable, less smoky flames and ignite&burn well

Card 3

Front

What is the collision theory?

Back

Preview of the front of card 3

Card 4

Front

What does increasing the concentration do to a reaction?

Back

Preview of the front of card 4

Card 5

Front

Ethene+Bromine--> ?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »