मराठी

When copper powder is heated strongly in air, it forms copper oxide. Write a balanced chemical equation for this reaction. Name (i) substance oxidised, and (ii) substance reduced.

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प्रश्न

When copper powder is heated strongly in air, it forms copper oxide. Write a balanced chemical equation for this reaction. Name

  1. substance oxidised, and
  2. substance reduced.
रासायनिक समीकरणे/रचना
लघु उत्तर
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उत्तर

When copper powder is heated strongly in air, it reacts with oxygen to form black copper(II) oxide.

The balanced chemical equation is:

\[\ce{2Cu_{(s)} + O2_{(g)} ->[Heat] 2CuO_{(s)}}\]

  1. Copper (Cu) 
  2. Oxygen (O2)
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पाठ 1: Chemical Reactions and Equations - Exercise 2 [पृष्ठ ६२]

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लखमीर सिंह Chemistry [English] Class 10
पाठ 1 Chemical Reactions and Equations
Exercise 2 | Q 35. (b) | पृष्ठ ६२

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\[\ce{PbS_{(s)} + 4H2O2_{(aq)} -> PbSO4_{(s)} + 4H2O_{(l)}}\]

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