In the Borax bead test of , the blue colour of bead is due…

Chemistry Principal Related to Practical Chemistry Preliminary / Wet Test Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 14, 2026

In the Borax bead test of , the blue colour of bead is due to the formation of:

CuO

Text Solution

Verified by Experts

The correct answer is:

The compound formed in the borax-bead test of ion in oxidizing flame is . It

gives green colour in hot oxidizing flame and blue colour in cold oxidizing flame.

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