one reaction was between the aluminum and the leftover hydrochloric acid the products are aluminum chloride and hydrogen gas. the other reaction was the aluminum and the copper(II)chloride.. this produced aluminum chloride and copper metal. what was the evidence that hydrogen gas was procuced? what was the evidence that the copper(II)chloride was no longer present? where was the aluminum chloride that was formed?

Answer 1

There isn't enough information there for me to know what you are/were doing. Clarify the question along with what you were doing; perhaps we can help. By the way, start a sentence with a capital letter. It makes a question easier to read.