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This quiz contains 4 questions from a mix of 1 subtopics.
What does an exothermic reaction do?
neither absorbs nor releases energy
absorbs energy
releases energy
both absorbs and releases energy
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What is the reaction between magnesium and copper sulfate called?
neutralisation reaction
dissolving reaction
combustion reaction
displacement reaction
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What happens during a combustion reaction?
a substance is burned in the presence of oxygen
a substance is neutralised
a substance is displaced
a substance is dissolved in water
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What is the formula used to calculate the amount of energy released from the combustion of ethanol?
q = m x c
q = m x c x ΔT
q = m x ΔT
q = c x ΔT
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