In which of the following substances will there be:
(a) increase in mas (b) decrease in mass
(e) no change in mass when they are exposed to air?
1. Sodium chloride 2. Iron
3. Conc, sulphuric acid 4. Table salt
5, Sodium carbonate crystals
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5, Sodium carbonate crystals
Answered by
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Answer:
Sodium carbonate crystals
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