Question

What is an alkali and name a strong acid and strong alkali

Answer 1

Alkalis and acids can be described asstrong or weak. This does not mean the same as concentrated or dilute. The strength of an alkali (or acid) depends. on how ionised it is in water. An alkali forms hydroxide ions (OH-ions) in water.

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Answer 2

Substances like lime water which turn red litmus blue are called alkalis. They have a bitter taste and are slimy.