Nickel (II) oxide, iron (III) oxide, chromium (III) oxide, magnesium oxide
The products. Without a balanced chemical equation, there is no reaction that can take place. The products is the final reation and the reactants help the final reaction take place.
Answer: It is important to wet the filter paper in the Buchner funnel first with cold re crystallization solvent before the re crystallization mixture being filtered to minimize gaps around the edges of the filter paper which can prevent mechanical impurities from passing through. This gives better filtration where most impurities can be filtered. Furthermore, it provides good vacuum.
Answer: sorry for the late answer, I just took the test today.
It provides instructions for processes of the cells
Explanation: