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Y7 Chemistry > Combustion > Flashcards

Combustion Flashcards

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1
Q

What is complete combustion?

A

Fuels burn when they react with oxygen in the air and if there is plenty of air, we get complete combustion.

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2
Q

What is the word equation for complete combustion?

A

Hydrocarbon (fuel) + oxygen → water + carbon dioxide

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3
Q

What is incomplete combustion?

A

Incomplete combustion occurs when the supply of air or oxygen is poor. Water is still produced, but carbon monoxide and carbon are produced instead of carbon dioxide.

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4
Q

What is the word equation for incomplete combustion?

A

hydrocarbon + oxygen → carbon monoxide + carbon + water

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5
Q

When investigating the products of combustion what do you test the products with?

A

CO2= Limewater Milky
H2O = Cobalt Chloride Paper
blue to pink/anhydrous
CuSO4 changes from white to blue.
Topic 3– Metals and Non Metals, –

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Y7 Chemistry (4 decks)

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