Chemistry · Chemical Reactions
Which of the following methods is commonly used to produce oxygen gas in a laboratory setting?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Reaction of sodium metal with cold water
- 2Biological process of photosynthesis
- 3Industrial fractional distillation of liquefied air
- 4Thermal decomposition of KClO3 in the presence of MnO2✓
Correct answer
Thermal decomposition of KClO3 in the presence of MnO2
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