Can somebody tell me about acid bases and salt of class 7
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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).
Bases = In chemistry, there are three definitions in common use of the word base, known as Arrhenius bases, Brønsted bases and Lewis bases. All definitions agree that bases are substances which react with acids as originally proposed by G.-F. Rouelle in the mid-18th century.
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Acid bade and salt
Explanation:
Acids are sour in taste .......ph is below 7
base are bitter in teste ...ph is aboove 7
salts are Saltu un taste .....ph is 7
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