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Write the balanced chemical equations fo...

Write the balanced chemical equations for the following reactions :
(i) When copper is heated in air.
(ii) When aluminium oxide reacts with sodium hydroxide.

Text Solution

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(i) `2Cu + O_(2) rarr 2CuO`
(ii) `4Al + 3O_(2) rarr 2Al_(2)O_(3)`
(iii) `Al_(2)O_(3) + 2NaOH rarr 2NaAlO_(2) + H_(2)O`
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OSWAAL PUBLICATION-METALS AND NON-METALS-TOPIC - 1 Short Answer Type Questions - II
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  5. (i) A non-metal X exists in two different forms Y and Z. Y is the hard...

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