In the given chemical equation Ca(OH)2 is the base and CaCl2 is the salt, thus option D is correct.
What is chemical equation?
A chemical equation is a symbolic representation of a chemical reaction that shows the products, reactants, and direction of the reaction.
An acid is any hydrogen-containing substance that is capable of donating a proton (hydrogen ion) to another substance.
A base is a chemical species that donates electrons, accepts protons, or releases hydroxide (OH-) ions in aqueous solution.
A salt, in chemistry, is defined as the product formed from the neutralisation reaction of acids and bases.
Therefore, in this chemical equation option D is true about the equation i.e
Ca(OH)2 is the base and CaCl2 is the salt.
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