what are two pure substances that whould make a mixure and could then be separated from the mixure with a magnet

We can separate iron from a mixture of sand and iron, as only the iron is attracted to the magnet.

Explanation:

alfred von schlieffen, german army chief of staff, was given instructions to devise a strategy that would be able to counter a joint attack. in december, 1905, he began circulating what later became known as the schlieffen plan. schlieffen argued that if war took place it was vital that france was speedily defeated.

the ratio of the conjugate base to the acid required to attain the desired ph.