10 Most Difficult Chemistry MCQs Can You Solve Them

1. Which of the following is the strongest acid? A: Sulfuric acid (H2SO4)

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2. Which of the following is the weakest base? A: Magnesium hydroxide (Mg(OH)2)

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3. Which of the following is the most soluble salt? A: Sodium chloride (NaCl)

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4. Which of the following is the least soluble salt? A: Lead sulfate (PbSO4)

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5. Which of the following is the most volatile liquid? A: Hexane (C6H14)

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6. Which of the following is the least volatile liquid? A: Glycerol (C3H8O3)

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7. Which of the following is the most reactive metal? A: Rubidium (Rb)

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8. Which of the following is the least reactive metal? A: Osmium (Os)

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9. Which of the following is the most electronegative element? A: Fluorine (F)

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10. Which of the following is the least electronegative element? A: Caesium (Cs)

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