Chemistry, 10.06.2020 02:57 drunkelmo04

When small pieces of manganese oxide were added to a solution of hydrogen peroxide, water and oxygen were produced. Manganese oxide was not used up in the reaction. Which of the following is likely to increase the rate of the reaction? Reducing the number of pieces of manganese oxide used
Increasing the amount of solution
Using one cube of equal mass of manganese oxide
Chilling the hydrogen peroxide solution

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When small pieces of manganese oxide were added to a solution of hydrogen peroxide, water and oxygen...