![When copper oxide and dilute hydrochloric acid react, colour changes to](https://www.gkseries.com/blog/wp-content/uploads/2021/12/When-copper-oxide-and-dilute-hydrochloric-acid-react-colour-changes-to.png)
Q. When copper oxide and dilute hydrochloric acid react, colour changes to
- white
- bluish-green
- blue-black
- black
Answer: bluish-green
Answer: bluish-green
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