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16 July, 17:20

Gas syringe

bung

chips

25 cm of dilute

hydrochloric acid

Which channes slow down the rate of reaction?

Decrease the size of pieces of marble chips

Decrease surface area of marble chips

Inercase concentration of acid

Increase temperature of acid

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Answers (1)
  1. 16 July, 17:41
    0
    Decrease surface area of marble chips.

    Explanation:

    Because the reaction goes on the surface of marble chips, decreasing surface area of marble chips will decrease (slow down) the rate of the reaction.
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