_______ turn into violet colour when they react with copper sulphate and sodium hydroxide solution.
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4
Answer:
23.3
Explanation:
It has been known for nearly two centuries that copper sulphate in alkaline solution turns from blue to violet/blue in the presence of proteins. This is called the Biuret reaction.
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Answer:Copper sulphate reacts with sodium hydroxide to form a blue precipitate of copper hydroxide and sodium sulphate. In an experiment, 15.95 g of copper sulphate reacted with 8.0 g of sodium hydroxide to form 9.75 g of copper hydroxide and 14.2 g of sodium sulphate.May 9, 2014
Explanation:
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