simple chemical reactions name ___________________

Simple Chemical Simple Chemical ReactionsReactions

Name ___________________

Testing for hydrogenTesting for hydrogen

“POP”

Hydrogen makes a ___________ splint go _______.

Testing for carbon dioxideTesting for carbon dioxide

Carbon dixoide makes ___________ go __________

Carbon dioxide Gas

Limewater

Carbon + _______ Carbon dioxide

Magnesium + _______ Magnesium oxide

Sulphur + _______ Sulphur dioxide

Burning thingsBurning thingsWhen something is burned it reacts with _________.

For example:

The Fire Triangle

Fire

Fuel

Oxy

gen

Heat

A fire needs three things to keep burning:

__________

__________

__________

FuelsFuelsFuels are substances that burn to release heat

e.g.

Oil GasWood

Burning fuelsBurning fuelsWhen fossil fuels (coal, oil and gas) are burned they produce water and carbon dioxide. We can use this apparatus to show this: Spot the mistake!!!!!!!

In this example the reaction is:

Methane + oxygen Carbon dioxide + water

Products of burning fossil Products of burning fossil fuelsfuels

When fossil fuels burn ________ _________ and ________ are made.

We can test the carbon dioxide because it turns _________ _________.

We can test the water because it freezes at _______ ºC and boils at ______ ºC .

Adding acids to metalsAdding acids to metals

Words – gold, hydrogen, bubble, copper, used up

Some metals react with acids to produce ________ gas. The gas will make the mixture _______ and the metal will eventually be _______ _____.

Some metals, like _______ and _______, are so unreactive that nothing will happen.

Adding acid to carbonatesAdding acid to carbonatesCarbonates are compounds that react with acids to make _________ __________ gas. This makes the mixture _________. When all of the carbonate is used up the _________ will stop.

Carbonates used to be used as building materials but aren’t any more because acid rain would eventually ________ the building.

Words – dissolve, bubble, carbon dioxide, bubbles

Limewater goes cloudy