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Answer:
Explanation:
2H₂O₂ ⟶ 2H₂O + O₂
A catalyst is a substance that speeds up a reaction but can be recovered unchanged at the end.
Thus, at the end of the reaction I would expect to find H₂O and MnO₂ in the container.
Water is not listed in any of the options, so I will have to choose .
A, B, and D are wrong. They are not reactants, products, or catalysts.
<h2>ASNWER:</h2><h2>______________________________________</h2>
The Element Bromine belongs to the 7th group "THE HALOGENS" in the periodic table. The general oxidation number of the Halogens is -1 thus Charge on bromide ion is expected to be -1.
<h2>______________________________________</h2>
No, it is a physical change. Changing states is physical.A chemical change is to change the nature of something by changing it's chemical makeup.