Question

Take a small amount of copper oxide in a beaker and add dilute hydrochloric acid slowly while stirring Note the colour of the solution . what has happened to the copper oxide?

Answer 1

Answer:Green colored copper chloride is formed.

Explanation:

CuO+2 dil.HCl---->CuCl2+H2O

When a small amount of copper oxide is taken a beaker and did. HCl is added to it, CuCl2,i.e., copper chloride is formed.

The black colour of copper oxide is observed to turn to greenish coloured CuCl2.

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Answer 2

Answer:

THE ANSWER IS BLUISH GREEN

Explanation:

WHEN CuO reacts with 2dil.HCL it forms calcium hydroxide Ca(OH)2

which in bluish green in colour. pls mark it brainliast.