What color is singlet oxygen glowing?

red

green

it's colorful.

blue

Singlet oxygen glows red as it decays from the singlet excited state to the triplet ground state : Singlet oxygen is utilised in organic syntheses, eg. Diels-Alder reaction. Ozone has a bluish colour.

I know

Sam Howzit wikipedia → Singlet oxygen

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Pakistan

63%

18%

the United Kingdom

60%

10%

20%

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41%

17%

35%

India

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21%

30%

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667

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it iswhite quartz

it is an optical illusion

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men

women

sailors

everyone with the same probability

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