Welcome to the Quiz!

This quiz contains 8 questions from a mix of 1 subtopics.

What is the term for a reaction where a substance chemically combines with oxygen?

oxidation

decomposition

reduction

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What is the term for a reaction where a substance breaks down into other substances when heated?

oxidation

thermal decomposition

combustion

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What is produced when methane burns in oxygen?

carbon dioxide and water

carbon monoxide and water

carbon dioxide and methane

methane and oxygen

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1

What is the chemical name for rust?

iron carbonate

iron hydroxide

iron sulphate

iron oxide

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Which of the following is an example of a thermal decomposition reaction?

copper carbonate ➔ copper oxide + carbon dioxide

iron + oxygen → Iron oxide

methane + oxygen → carbon dioxide + water

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What is produced when copper carbonate is heated?

copper oxide and carbon dioxide

copper carbonate and carbon dioxide

copper oxide and carbon monoxide

copper and carbon dioxide

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In a combustion reaction, a fuel source reacts very rapidly with , giving off heat and light energy.

oxygen

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What are the requirements for a combustion reaction to take place?

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3