Multiple choice

A base that is partially ionised in water is a weak base. Which of the following are a weak base?

  1. Sodium hydroxide and potassium hydroxide

  2. Sodium hydroxide and calcium hydroxide

  3. Sodium hydroxide and ammonium hydroxide

  4. Calcium hydroxide and ammonium hydroxide

  5. Potassium hydroxide and calcium hydroxide
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option. Calcium hydroxide and ammonium hydroxide are both weak bases.

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