When copper oxide and dilute hydrochloric acid react, colour changes to
(a) white
(b) bluish-green
(c) blue-black
(d) black

Question

When copper oxide and dilute hydrochloric acid react, colour changes to (a) white (b) bluish-green (c) blue-black (d) black

Pawan Prajapati · Answer

Answer: b Explaination: Reason: Blue-green colour of solution is due to the formation of copper (II) chloride.

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When copper oxide and dilute hydrochloric acid react, colour changes to (a) white (b) bluish-green (c) blue-black (d) black

When copper oxide and dilute hydrochloric acid react, colour changes to
(a) white
(b) bluish-green
(c) blue-black
(d) black

1 Answers

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When copper oxide and dilute hydrochloric acid react, colour changes to (a) white (b) bluish-green (c) blue-black (d) black

When copper oxide and dilute hydrochloric acid react, colour changes to (a) white (b) bluish-green (c) blue-black (d) black

1 Answers

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When copper oxide and dilute hydrochloric acid react, colour changes to
(a) white
(b) bluish-green
(c) blue-black
(d) black