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CAIE IGCSE Chemistry Bases with Acids and Ammonium Salts

Practise predicting base reactions with acids and ammonium salts, including neutralisation products, ammonia release and observations used to confirm each reaction.

Syllabus
2026–2028
Course
Chemistry 0620

Exam points

  • predict salt and water when a base neutralises an acid and write the balanced equation
  • predict ammonia, water and a salt when an alkali is warmed with an ammonium salt
  • use pH change, indicator colour or ammonia observations to identify basic behaviour

7.1.4—Characteristic properties of bases in question 1

[Maximum number: 3]

Solid sodium hydroxide is a base which dissolves to form an aqueous solution, NaOH(aq).

Complete the word equation for the reaction of NaOH(aq) with ammonium chloride.

Figure for Question 7.1.4—Characteristic properties of bases in question 1 — CAIE IGCSE Chemistry
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