Cambridge IGCSE Combined Science practice
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At a glance
MCQ
Type
cambridge_mcq
Style
Topic
Formulas
Exam-style question
Which of the following is the chemical formula for water?.
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Question 1 of 5
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Description
Chemical formulas represent the composition of compounds and elements. They indicate the types and numbers of atoms present in a molecule.
Identify the chemical formula for sodium chloride.
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