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Home › CBSE Class 12 (Arts) › History › Bricks, Beads and Bones: The Harappan Civilisation › How was the red colour of carnelian beads obtain…

How was the red colour of carnelian beads obtained?

ABy firing yellowish stone
BBy coating with copper
CBy painting with ochre
DBy soaking in iron salts
Answer & Solution
Correct answer: A. By firing yellowish stone
Experiments show carnelian turns red when the yellowish raw material and beads are fired at various stages.
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