Question

characteristic of acid​

Answer 1

Answer:

Sour taste (though you should never use this characteristic to identify an acid in the lab)

Reacts with a metal to form hydrogen gas

Increases the H+ concentration in water

Donates H+ ions

Turns blue litmus indicator red

Explanation:

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Answer 2

1). Sour in taste

2). Changes the blue litmus into red.

3). Acids react with bases to produce a salt compound and water.

3). Eg. Lemon, orange etc.