Starter What colour is an Acid on the UI scale? What colour is an Alkali on the UI scale? What colour is Neutral on the UI scale? 1 2 3 4 5 6 7 8 9 10.

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Starter What colour is an Acid on the UI scale? What colour is an Alkali on the UI scale? What colour is Neutral on the UI scale?

Rainbow Fizz Objective: to see different colours to represent acid, alkali and neutral substances

Homework Parts 1 & 2 due in Monday 3 rd November period 1

Experiment Water Universal Indicator Vinegar (aectic acid) Sodium Bicarbonate Baking Powder

Explain your observations Describe the reactions that took place in your boiling tube. 1.Explain why the colours changed. 2.Does the reaction have a name? 3.What are the products? 4.What are the reactants? 5.Can you write a word equation to describe it?