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GK QUESTION#3543

Identify the chemical formula of potassium hydroxide.

  1. AKOHCorrect answer
  2. BK₂O
  3. CPOH₂
  4. DK₂H₂
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Answer

A. KOH

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Explanation

Potassium hydroxide has chemical formula KOH. It contains K⁺ and OH⁻ in a one-to-one ratio and is commonly called caustic potash. K₂O is potassium oxide and is a different compound.

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