In the original mixtures, test tube 1 contained magnesium and a zinc compound, and test tube 2 contained zinc and a magnesium compound. A similar relationship exists between test tubes 3 and 4 and between test tubes 5 and 6.
Compare what took place in each corresponding pair of test tubes. What general conclusion can you draw?

the mixture of the three tires combat

in 1783 cavendish was working with his hydrogen gas and found that when he burned it and condensed the vapor it was water. this was very significant since it disproved the greek theory of elements completely since water was not a simple substance but the product of two gases. it was lavoisier who hearing of the experiment gave cavendish's gas the name hydrogen ("water-producer") and added that hydrogen burned by combining with oxygen and that water was a hydrogen-oxygen combination.

explanation: