We took copper carbonate (malachite) and reacted it with sulphuric acid. Metal carbonates release carbon dioxide with acids – how did we prove this?

What was the other (blue) substance we made called?

The first mock exam for year 9 will take place on friday 7th december. Make sure you revise well – there could be questions on anything from year 7 , 8 or 9 work. Good luck.

click here for an old paper – try timing yourself.