Multiple choice

Senko hanabi is a traditional Japanese firework. Which among the following is an important intermediate in such other fireworks?

  1. Potassium hydride

  2. Potassium hydrosulphide

  3. Potassium hydroxide

  4. Potassium sulphide
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Potassium sulphide is an inorganic compound with the formula K2S. Potassium sulphides are formed when black powder is burned and are important intermediates in many pyrotechnic effects, such as senko hanabi and some glitter formulations.

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