When a cube of manganese oxide was 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 decrease the rate of the reaction?
Using a larger amount of solution
O Increasing the mass of the cube
O Chilling the hydrogen peroxide solution
O Smashing the cube into pieces
Answers: 1
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When a cube of manganese oxide was added to a solution of hydrogen peroxide, water and oxygen were p...
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