Question

what is the acid and base.?
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Answer 1

Acids: taste sour, are corrosive to metals, change litmus (a dye extracted from lichens) red, and become less acidic when mixed with bases.

Bases: feel slippery, change litmus blue, and become less basic when mixed with acids.

Answer 2

Acids are those chemicals substance which are sour in taste and change the colour of blue litmus into red.

Bases are those chemicals substance which are bitter in taste

and change the colour of red litmus into blue