Question

what is the meaning of acidic substances​

Answer 1

Answer:

substance are bitter in taste

have ph less than 7

Answer 2

Answer:

Acid, any substance that in water solution tastes sour, changes the colour of certain indicators (e.g., reddens blue litmus paper), reacts with some metals (e.g., iron) to liberate hydrogen, reacts with bases to form salts, and promotes certain chemical reactions (acid catalysis).

Explanation:

Scientific definitions for acid

acid. [ ăs′ĭd ] Any of a class of compounds that form hydrogen ions when dissolved in water, and whose aqueous solutions react with bases and certain metals to form salts. Acids turn blue litmus paper red and have a pH of less than 7. Their aqueous solutions have a sour taste

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