Cambridge IGCSE Combined Science practice

Paper 3 structured question: Formulas

Try the question first, then check the answer and practise the same topic again.

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Paper

Marks

Topic

Formulas

Exam-style question

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Paper 3Theory (Core)2 marks

The reaction of hydrochloric acid with sodium hydroxide is a neutralization reaction.

Description

Write the word equation for the reaction between hydrochloric acid and sodium hydroxide.

a
Explain the products formed in the reaction between hydrochloric acid and sodium hydroxide.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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Paper 3Theory (Core)1 marks

Description

Consider the reaction between magnesium and oxygen to form magnesium oxide.

a
State the word equation for the reaction of magnesium and oxygen.
Your answer
Aim for approximately 1 distinct marking point.
[1]