Chemistry · Chemical Reactions
When metals like potassium and sodium react vigorously with cold water, an exothermic reaction occurs with the simultaneous evolution of which gas?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Oxygen gas
- 2Chlorine gas
- 3Hydrogen gas✓
- 4Water vapour
Correct answer
Hydrogen gas
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