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  • Copper sulphate (CuSO4) is _________.
Multiple choice

Copper sulphate (CuSO4) is _________.

  1. colourless

  2. brown in colour

  3. blue in colour

  4. green in colour

  5. yellow in colour

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Copper sulphate is blue in colour because it has been oxidised to the Cu2+ ion which is a d-block metal ion.

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