+<br />+<br />Short Answer Type Questions<br />25. What is an oxidation reaction ? Identity in the following reaction (1) the substance oxidised, and the<br />substance reduced :<br />Zno+C--)zn+co <br />26. (a) What is a redox reaction ? Explain with an example.<br />(b) When a magnesium ribbon burns in air with a dazzling flame and forms a white ash, is magnesium<br />oxidised or reduced ? Why?<br />(c) In the reaction represented by the equation:<br />MnO2 + 4HCI--)MnCl2 + 2H2O + Cl2<br />(1) name the substance oxidised.<br />(ii) name the oxidising agent.<br />(111) name the substance reduced.<br />(iv) name the reducing agent.
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