The correct answer is (e) Sour taste.
What is acid and base?
- A chemical that gives off hydrogen ions in water and forms salts by combining with certain metals are known as acids.
- A base is a substance that can neutralize the acid by reacting with hydrogen ions.
- Examples of acid are acetic acid, sulphuric acid.
- Examples of base are sodium hydroxide (NaOH), calcium hydroxide.
Why other options are incorrect?
- Option A is incorrect because acid is a proton (H+) donor, and a base is a proton acceptor.
- Option B is incorrect because acid is slightly bitter in taste, but mostly sour in taste.
- Option C is incorrect because both acid and bases in aqueous solution will conduct electricity.
- Option D is incorrect because bases feels slippery, like soaps, and acids just feels wet.
So, option E is the only property specific to acids.
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