What are acids? List few substances containing acid.

Chemistry

2 answers:

Gelneren [198K]2 years ago

3 0

An acid is any substance that in water solution tastes sour, changes blue litmus paper to red, reacts with some metals to liberate hydrogen, reacts with bases to form salts, and promotes chemical reactions.
toothpaste
vinegar
baking soda
soap
ammonia

Pavel [41]2 years ago

3 0

a substance with particular chemical properties including turning litmus red, neutralizing alkalis, and dissolving some metals; typically, a corrosive or sour-tasting liquid of this kind.

detergent
baking soda
soap
ammonia
conditioner

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All of the following can be used to define an acid except

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Answer: a substance that increases the hydroxide ion concentration of a solution

Explanation: According to Arrhenius concept, an acid is a substance which donates hydronium ions $[H^+]$ ions when dissolved in water and base is a substance which donates hydroxide ions $[OH^-]$ ions in water.

According to the Bronsted Lowry conjugate acid-base pair, an acid is a substance that donates protons and a base is a substance that accepts protons.

According to Lewis concept, an acid is the substance which accepts electron pairs and abase is a substance which donates electron pairs.

Thus a substance that increases the hydroxide ion concentration of a solution is an Arrhenius base.

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