CAIE IGCSE Chemistry 7.3.1 Preparation Separation and Questions

Work through real CAIE IGCSE Chemistry questions on choosing reactants, completing salt preparation and obtaining pure dry crystals.

Exam points

select a suitable acid and insoluble base, carbonate or metal for preparing a soluble salt
explain why an insoluble reactant is added in excess and identify observations showing completion
filter the reaction mixture to remove excess insoluble reactant
obtain pure dry salt crystals by concentrating, cooling, filtering and drying the solution

[Maximum number: 1]

This question is about metals.

Zinc oxide neutralises both acids and bases.

Name the zinc compound that forms when zinc oxide neutralises dilute sulfuric acid.

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