Answer:
The Potato became black after the Iodine test...
Turned black (ish) blue after Sulfate and Sodium Hydroxide
Egg whites turn copper (ish) yellow
Sulfate and sodium: no color change
Milk doesn't change color
Explanation:
I think...
A rock is a solid mass of geological materials. It is a natural mass of mineral matter that makes up the earth's crust.
Hope it helped! :)
The gas released in this investigation is carbon dioxide
Answer:looks pretty good to me
Explanation:i can count to three to 1 4 3