Chemical/Physical Changes
Chemical Reactions
Combustion
Gas tests
100

Change of state 

What is an example of a physical change?

100

Reactants

What are the substances that react together called?

100

Burning

What is another name for combustion?

100

Lit splint goes squeaky pop

What is the test for hydrogen?

200

Permanent

Is a chemical change permanent or reversible?

200

Products

What are the substances that are formed in a chemical reaction called?

200

Heat, Fuel, Oxygen

What 3 things are needed for combustion to occur?

200

Relights a glowing splint 

What is the test for oxygen?

300

Fizzing & flames

What are some signs that a chemical reaction has occurred?

300

Magnesium oxide

What is the product formed when magnesium reacts with oxygen?

300

Complete combustion

What kind of combustion occurs with a plentiful supply of oxygen?

300

Limewater turns from colourless to cloudy/milky

What is the test for carbon dioxide?

400

water + carbon dioxide

What are the products formed when a fuel is combusted?

500

coal, oil and gas

What are some examples of fuels that can be burned?