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How do you separate zinc oxide and copper oxide?
In order to separate copper oxide from zinc oxide, add sodium hydroxide solution to the mixture. Zinc oxide being amphoteric will react with NaOH to form Na22+[Zn(OH)4]2- whereas copper oxide will remain undissolved. Zinc oxide can be recovered from the solution adding acid to it.
How would you separate copper from a mixture of copper and zinc?
Answer: Explanation: I think that the best economic method is by burning the mixture in an electrical furnace to a temp. 640 degree C. to melt both Zinc & Aluminum leaving copper oxide as a powder.
How do you separate a mixture of copper oxide?
Hence, for the separation of copper oxide and copper sulphate, we need to dissolve the mixture in distilled water. The filtrate should then be evaporated till the solution is saturated. The saturated solution when cooled may result in the formation of copper sulphate crystals.
What is the reaction between zinc oxide and copper oxide?
Copper oxide is metallic oxide. Metallic oxides are basic and can react with acids. Zinc oxide is an amphoteric oxide. Amphoteric oxide can react with acids as well as base. In order to separate copper oxide from zinc oxide, add sodium hydroxide solution to the mixture.
How do you remove copper oxide from copper sulphate?
Due to slightly non-polar nature of copper oxide, it is insoluble in water whereas copper sulphate is soluble in water. Hence, distilled water should be added to the mixture and the mixture should be filtered to remove copper oxide from it. The filtrate should then be evaporated until the solution is saturated.
How would you separate a mixture of copper(II) oxide and copper (II) sulphate?
How would you separate a mixture of copper (II) oxide and copper (II) sulphate? Due to slightly non-polar nature of copper oxide, it is insoluble in water whereas copper sulphate is soluble in water. Hence, distilled water should be added to the mixture and the mixture should be filtered to remove copper oxide from it.
How do you separate charcoal and copper oxide?
To separate powdered charcoal from a mixture containing copper oxide, just add water. Charcoal is considered quite a bit less dense than water and one set of tables gives the density as circa 400 kg.m-3 . Copper oxide is much more dense than water or charcoal.
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