Chemistry · Acids, Bases and Salts
A compound 'X', when heated, undergoes thermal decomposition to produce a colorless gas that can extinguish a burning candle, along with a bitter-tasting white compound which can be used (in its anhydrous or hydrated form) for the softening of hard water. What is the compound 'X'?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Sodium carbonate decahydrate
- 2Sodium hydrogen carbonate✓
- 3Sodium carbonate
- 4Sodium hydroxide
Correct answer
Sodium hydrogen carbonate
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