Refresher Quiz RCc 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 RCc 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 RCc 1 This is one of the gases that is released when we burn fossil fuels, but most of this gas is released by living things. carbon dioxide

Refresher Quiz RCc 2 This gas is released when we burn fossil fuels; it is not released by living things. sulphur dioxide

Refresher Quiz RCc 3 Complete this word equation: magnesium + oxygen → ________________________ magnesium oxide

Refresher Quiz RCc 4 Complete this word equation: carbon + ___________ → carbon dioxide oxygen

Refresher Quiz RCc 5 How many oxygen atoms are in a molecule of water, H 2 O? one

Refresher Quiz RCc 6 What is the formula for carbon dioxide? CO 2

Refresher Quiz RCc 7 What is the formula for water? H2OH2O

Refresher Quiz RCc 8 What is the chemical name for the white ash that forms when you burn magnesium in the air? magnesium oxide

Refresher Quiz RCc 9 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 RCc 10 Is wood a renewable or a non-renewable fuel? renewable

Refresher Quiz RCc 11 What are biofuels obtained from? plants

Refresher Quiz RCc 12 Name three fossil fuels. Three from: coal oil natural gas peat

Refresher Quiz RCc 13 What is the correct scientific term for “burning”? combustion

Refresher Quiz RCc 14 Water can be split using electricity. What is the name of this process? electrolysis

Refresher Quiz RCc 15 Which is higher in the reactivity series, magnesium or copper? magnesium