Definition of Acid, base and
salt​

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Explanation:

Acid- an molecule/ion that is capable of donating a proton or hydrogen ion (H+) and it's also capable of forming a covalent bond with electrons

Base- an molecule/ion that is capable of accepting a proton or hydrogen ion (H+) and it releases hydroxide ion (OH-)

Salt- When you combined an acid and base, you neutralize it, producing water and salt like:

NaOH (aq) + HCl (aq)> NaCl (s) + H2O (l)

Explanation:

a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.