What salt is formed by the reaction of potassium hydroxide and hydrochloric acid?

potassium chloride

Explanation:

Double displacement reaction is one which involves exchange of ions. Neutralization is a type of double displacement reaction in which an acid combines with a base to form salt and water, the reaction is called as neutralization reaction.

Thus the salt formed is potassium chloride which has the chemical formula .

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the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.