Refresher Quiz RCb Refresher Quiz For each question slide, click on the mouse to reveal the correct answer(s) or click through the slides using the forward.

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Presentation transcript:

Refresher Quiz RCb Refresher Quiz For each question slide, click on the mouse to reveal the correct answer(s) or click through the slides using the forward buttons to see all of the questions without revealing the answers.

Refresher Quiz RCb 1 What is the name of the table which contains all of the elements? the periodic table

Refresher Quiz RCb 2 What is an element? A substance which cannot be broken into anything simpler

Refresher Quiz RCb 3 How many types of atom are there in a pure element? one

Refresher Quiz RCb 4 On which side of the periodic table do you find the metallic elements? left

Refresher Quiz RCb 5 Complete this word equation: magnesium + oxygen → ________________________ magnesium oxide

Refresher Quiz RCb 6 Roughly how many chemical elements do we know about: 50, 100 or 200? 100

Refresher Quiz RCb 7 How many hydrogen atoms are in a molecule of water, H 2 O? two

Refresher Quiz RCb 8 Complete this word equation: sodium + chlorine → _______________________ sodium chloride

Refresher Quiz RCb 9 What type of reaction takes place when an acid reacts with an alkali? neutralisation

Refresher Quiz RCb 10 Complete this word equation: acid + base → salt + ____________ water

Refresher Quiz RCb 11 If 1 kg of iron is left to rust, suggest the mass of rust that might be formed. answers should be between 1 and 2 kg

Refresher Quiz RCb 12 If you burn magnesium in the air, the mass goes up. Why is this? magnesium has reacted with/‘taken in’ some of the oxygen in the air

Refresher Quiz RCb 13 Steel cans can be coated with tin. If the coating is damaged, the can starts to rust. Which metal is more reactive – iron or tin? iron

Refresher Quiz RCb 14 Complete this word equation: zinc + hydrochloric acid → ______________ + ___________ zinc chloride hydrogen

Refresher Quiz RCb 15 What is an alloy? a mixture of two or more metals