Exam-style practice

Formulae answer explanations

Review worked answers and explanations for Formulae. Aligned to Cambridge IGCSE Chemistry.

Questions

Supported

Review

Mode

Subject

Topic

Answer explanations

Question 1 of 16

Review the answer support, then move sideways through the set.

Showing nearby questions. Use Previous and Next to move through all 16 questions.

Paper 3Theory (Core)1 marks

Description

Chemical formulas indicate the composition of elements and compounds. For example, H2O represents water, while CO2 represents carbon dioxide.