Question

What is an acid? Select all that apply.

a substance that releases hydrogen ions in water
a substance that releases hydroxide ions in water
a substance that tastes sour
a substance that tastes bitter
a substance with a pH below 7

Answer 1

Answer:

hi mate

2HCl + Zn =ZnCl + H2

HCl + NaOH = NaCl + H2o

acids are sour in taste and there pH level is less than 7

Answer 2

ANSWER:

Acid could form covalent bond with a pair of electron. It is a molecule that releases hydrogen ions in water. Acid tastes sour. Its PH level is below 7.

EXPLANATION:

Acids are mostly aqueous solutions and it dissolves in water easily. As the Hydrogen ions are being released in water, neutral molecules present in it are transformed into ions with positive charge.

Acids are generally sour in taste because of the hydrogen ions concentration in it. Acidic Substance PH level is less than 7.