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Kerickarellmo
Kerickarellmo Kerickarellmo
  • 14-06-2016
  • Chemistry
Answered

Why do you think elements must be heated before they emit colored light?

Verified Answer :

taskmasters
taskmasters taskmasters
  • 28-06-2016

Elements must be heated before they emit colored light because the heat being added to the elements will allow for a reaction to happen between the element and the oxygen in air. They are endothermic reactions where energy is needed in order for the reaction to proceed.

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