Allied solutions

Allied solutions

Grade 8

Chemical Reactions | Exercise

Question 10

Q10) State the meaning of the term ‘oxide’. Give a balanced equation for the formation of the following oxides:

  1. Sulphur dioxide from a non-metal
  2. Zinc oxide from a metal
  3. Lead oxide from a mixed oxide

Solution:

On combining metallic and non-metallic substances with oxygen, oxides are formed.

  1. S+O_2→SO_2[Non-metalsulphur]
  2. 2Zn+O_2→_2ZnO
  3. 2Pb3O_4→6PbO+O_2

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Question 10

Q10) State the meaning of the term ‘oxide’. Give a balanced equation for the formation of the following oxides:

  1. Sulphur dioxide from a non-metal
  2. Zinc oxide from a metal
  3. Lead oxide from a mixed oxide

Solution:

On combining metallic and non-metallic substances with oxygen, oxides are formed.

  1. S+O_2→SO_2[Non-metalsulphur]
  2. 2Zn+O_2→_2ZnO
  3. 2Pb3O_4→6PbO+O_2

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Book a free class now

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