Question

To find out the reactivity of iron and copper with clear water, water with oil and salt water​

Answer 1

Answer:

can use the reactions of metals with acids to tell us how reactive that metal is. The more vigorously it reacts, the more reactive the metal. The slower the reaction (sometimes there is no reaction at all), the less reactive the metal.

Metals react with acids to form a salt and hydrogen

Answer 2

Answer:

it is the answer!^

hope it help you...