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An Erlenmeyer flask, a beaker, and a soldering iron are arranged in front of a geometric grid of orange and cream rectangles.

Can you handle the molten secrets of color in this stained glass chemistry quiz?

Glass

Difficulty

Hard

Questions

20

Volts

3/q

Cobalt creates the blue, but do you know what sparks the ruby red? Molten glass and metallic oxides collide in this high-stakes reaction. Stop staring at the cathedral windows and prove you know the science behind the shimmer. The clock is ticking—stack your wins now.

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