Question

What do all acid and all bases have common

Answer 1

all bases and acids have common features are reaction , different tastes and turning of red litmus to blue

Answer 2

Acids give off H+ (Hydrogen) ions in water, bases give off OH-(Hydroxide) ions in water. Acids generally taste sour due to the sour H+ ion ; Bases taste bitter due to the OH- ions ;but they may have other tastes depending on the other part of the molecule. .....
Acids corrode active metals;
Bases denature protein..

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