Chemistry
Grade-10
Easy

Question

What are alkalis?

  1. Acids that do not dissolve in water.
  2. Bases that dissolve in water.
  3. Acids that dissolve in water.
  4. Bases that do not dissolve in water.

hintHint:

Alkalis are water soluble bases.

The correct answer is: Bases that dissolve in water.


    An alkali is a basic, ionic salt of an alkali metal or an alkaline earth metal. An alkali can also be defined as a base that dissolves in water. A solution of a soluble base has a pH greater than 7.0. 
    In other words a chemical compound that neutralizes or effervesces with acids and turns litmus blue.

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