Zinc oxide is a base, because it reacts with an acid to form a salt and water. It is not an alkali because it does not dissolve in water.

The salt name can be found from the name of the acid and metal. Acids and bases Acids, bases and alkalis are found in the laboratory and at home. Acids and bases can neutralise each other.

If you really need a substitution, the general rule is that you need three times the baking powder for the equivalent ...