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Science - Teachers Sri Lanka

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• In the experiment to determine the effect of temperature<br />

on rate of reaction the experiment to be set up as given<br />

below<br />

Cleaned<br />

Iron nail<br />

KMnO 4<br />

$H 2<br />

SO 4<br />

Solution<br />

Copyright © 2007 National Institute of Education - <strong>Sri</strong> <strong>Lanka</strong>. All rights reserved.<br />

(i)<br />

At room temperature At 60 0 C temperature<br />

• In the experiment to determine the effect of physical<br />

nature of the reactants the experiment could be set up<br />

as given below.<br />

HCl<br />

CaCO 3<br />

• In the experiment to determine the effect of catalysts the<br />

experiment could be set up as given below<br />

(ii)<br />

O 2<br />

CO 2<br />

Syringe<br />

H 2<br />

O 2<br />

MnO 2<br />

or Sand<br />

(45 mts.)

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