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xocupcake309174
xocupcake309174
21.10.2020 • 
Chemistry

Patrick's class is studying mixtures. The students hypothesized that if they mix two substances together a change will occur. They divide into two groups. Each group had three plastic cups, three pieces of steel wool, water, and vegetable oil.
Each group followed these steps.
the
1
Put 2 ounces of water into one plastic cup.
the
2.
Poured 2 ounces of vegetable oil in the second plastic cup.
1
3
Added one piece of steel wool to each cup.
2.
4.
Placed the third piece of steel wool into a dry plastic cup.
5.
Covered each plastic cup loosely with plastic wrap.
3
6.
Checked the cups every day for changes.
4
After two weeks, a red substance has formed on the steel wool in the water.
5
Write your responses in the spaces below.
Explain which cup shows evidence of a new substance.

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