When heated, the water molecules evaporate leaving behind anhydrous sodium carbonate (Na2CO3). Anhydrous sodium carbonate is a white powder. This process of loosing water of crystallization when exposed to air is called efflorescence. Option C is the correct answer.
Answers & Comments
Answer:
(in the attachment)
Answer:
white
Explanation:
When heated, the water molecules evaporate leaving behind anhydrous sodium carbonate (Na2CO3). Anhydrous sodium carbonate is a white powder. This process of loosing water of crystallization when exposed to air is called efflorescence. Option C is the correct answer.