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Explain the concept of pain. (2 marks)

Describe how each of the following substances can be obtained from a mixture containing ammonium chloride, copper (II) oxide, and sodium chloride. (3 marks)

Sagot :

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Final answer:

Ammonium chloride, copper (II) oxide, and sodium chloride can be obtained from the mixture by sublimation, heating for decomposition, and dissolution in water respectively.


Explanation:

Ammonium chloride: Ammonium chloride can be obtained from the mixture by heating, which will cause it to sublime, meaning it will change from a solid directly into a gaseous state, and then can be collected.

Copper (II) oxide: Copper (II) oxide can be obtained by heating the mixture, which will lead to the decomposition of copper (II) chloride to form copper (II) oxide along with other products.

Sodium chloride: Sodium chloride can be obtained by dissolving the mixture in water, as sodium chloride is soluble in water, leaving behind ammonium chloride and copper (II) oxide.


Learn more about Substances extraction from mixtures here:

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