Answer:
The Cotton Gin
Explanation:
The cotton gin: A game-changing social and economic invention. On this day in 1793, young inventor Eli Whitney had his U.S. patent for the cotton gin approved, an invention that would definitely have an impact on social and economic conditions that led to the Civil War.
The pure substance of water mixes with the waste. The waste does not dissolve into the water, therefore it is a mixture.
The reactants are aluminum and iron nitrate.
