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CBSE Class 7 Answered

How are acid and bases chemically different
Asked by Avinash4kavita | 14 Aug, 2019, 08:19: PM
answered-by-expert Expert Answer
Acids: 
 
Acid is a substance which dissociates (or ionises) when dissolved in water to release hydrogen ions.
 
 For example:
 
An aqueous solution of hydrochloric acid dissociates to form hydrogen ions.
 
Baese:
 
A base is a substance which dissolves in water to produce hydroxide ions [OH-ions].
 Bases which are soluble in water are called alkalis.
 
Example:

Sodium hydroxide is a base which dissolves in water to produce hydroxide ions

Answered by Varsha | 19 Aug, 2019, 12:27: PM
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