cfields3668 cfields3668

28-04-2020
Chemistry

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What chemical is discovered to react to light in the 1700s?

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alexoconnor360 alexoconnor360

28-04-2020

When Scheele discovered oxygen he called it "fire air" as it supported combustion. The answer is oxygen.

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fjfjgipab fjfjgipab

28-04-2020

Oxygen or maybe hydrogen

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