Respuesta :
The symbol that is used in the reaction is an equal sign, it is put between reactant and product. The correct option is A, an equal sign.
What is a chemical equation?
The representation of a reaction in the equation form is known as a chemical equation.
In the given reaction, the hydrochloric acid and potassium hydroxide undergoes a reaction and produce potassium chloride and water.
The reactants and the products are always divided with an arrow or equal sign.
HCI + KOH = KCI + H2O
Thus, the correct option is A, an equal sign.
Learn more about chemical equation
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