20heldmadison
23.04.2021 •
Chemistry
6 a What does the sacrificial protection of iron mean?
b Both magnesium and zinc can be used for it. Why?
c But copper will not work. Explain why.
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Ответ:
Malachite
Explanation:
Malachite is the only listed compound that must contain copper and oxygen.
Copper and oxygen are both elements found on the periodic table. They have the following symbols;
Copper = Cu
Oxygen = O
From the given choices, only option 1 has the symbol Cu and O.
So only malachite contains both copper and oxygen.