Chemistry, asked by krishna8757681148, 7 months ago

colourless concentrated sulphuric acid in a test tube changes to blue on adding a small piece of copper to it.​

Answers

Answered by Anonymous
16

Colourless concentrated sulphuric acid in a test tube changes to blue on adding a small piece of copper to it because copper displaces hydrogen from sulphuric acid and forms blue colored copper sulphate.❤

Answered by Anonymous
2

d) Colourless concentrated sulphuric acid in a test tube changes to blue on adding a small piece of copper to it because copper displaces hydrogen from sulphuric acid and forms blue colored copper sulphate.

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