Question

define acids?????????​

Answer 1

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

Answer 2

acids are compound usually having a sour taste and capable of neutralizing alkalis and reddening blue litmus paper,