Exercise 2 In this exercise, you must find the correct word to fit into a sentence. To do this, you will need to understand how to make salts, and also how the words in the sentence fit together. Complete these sentences. Choose from the list. alkali calcium copper dissolve excess filter filtrate extra sodium water Limestone is made from carbonate. When carbonates, such are as limestone, react with acids, a salt, carbon dioxide and produced. This can happen when acidic rain falls onto limestone rocks. We can make chloride by adding copper carbonate to hydrochloric acid, until some of the copper salt is left in the bottom of the beaker. This is called using, finished, we can containing..... copper carbonate. When the reaction has the mixture to obtain a chloride dissolved in water.​