** will mark you brainliest ** when 0.5 g of powdered iron (iii) oxide was added to 100 cm3 of hydrogen peroxide, water and oxygen were produced. iron (iii) oxide was not used up in the reaction. based on the information, which of the following is likely to increase the rate formation of the products? a. replacing the powdered iron oxide with its cubical crystals b. using 150 cm3 of hydrogen peroxide c. removing iron oxide from the reaction mixture d. using 1.0 gram of iron oxide