MCQ
Which combination is best for preparation of the compound $(A)$ shown below ?


- A

- ✓

- C

- D








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Statement $I:$ Upon heating a borax bead dipped in cupric sulphate in a luminous flame, the colour of the bead becomes green.
Statement $II:$ The green colour observed is due to the formation of copper(I) metaborate.
In the light of the above statements, choose the most appropriate answer from the options given below :
