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Chemistry — Second Secondary

Chemistry — Second Secondary

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Chemistry — Second Secondary 2026/2027

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Quiz

Question bank: Chapter 1 — Chemical Calculation

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1.
A compound has C : H atom ratio of 1 : 1.5. Its empirical formula is
CH₂
C₂H₃
C₃H₂
CH₃
2.
A formula that shows how the atoms are bonded to each other is the
empirical formula
molecular formula
structural formula
formula mass
  • 1
  • 2