Question

Which statement is correct regarding acids?; (i) Acid is a molecule which donate proton or accept electron pair in reactions.; (ii) Acid increases the concentration of hydrogen atoms or hydronium atoms in water.; (iii) Acids have pH value less than 7.; (iv) Acid in the stomach helps in the digestion of food.; Options are:
A) Only (i)
B) Both (ii) and (iv)
C) Both (iii) and (iv)
D) All the above

Answer 1

C is the right answer

Answer 2

Answer:

it's option c( both iii and iv )