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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.
The empirical formula of glucose C₆H₁₂O₆ is
CHO
CH₂O
C₂H₄O₂
C₃H₆O₃
2.
A compound has the empirical formula CH₂O and molar mass 60 g/mol. Its molecular formula is
CH₂O
C₂H₄O₂
C₃H₆O₃
C₄H₈O₄
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