Chemistry, asked by sweta528, 11 months ago

d) Colourless concentrated sulphuric acid in a to
tube changes to blue on adding a small piece
copper to it.

Answers

Answered by Aisw

4

Answer:

Copper reacts with concentrated sulphuric acid and gives copper sulphate and hydrogen gas. The copper sulphate

formed is blue in colour.

I hope it helped......

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