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Question
When copper oxide and dilute hydrochloric acid react, colour changes to ____________.
Options
white
bluish-green
blue-black
black
MCQ
Fill in the Blanks
Solution
When copper oxide and dilute hydrochloric acid react, colour changes to bluish-green.
Explanation:
The blue-green colour of the solution is due to the formation of copper (II) chloride.
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