Multiple choice

A base that is soluble in water without any chemical reaction is called an alkali. Which of the following is not an alkali?

  1. NaOH

  2. KoH

  3. Ca(OH)2

  4. NH4OH

  5. Na2CO3

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This is the correct option. Na2CO3 (chemical name sodium carbonate) is not an alkali.