Question

In which of the following substance will be there: a)  increase in mass b) degrees in Mass c) No change in mass when they are exposed to air 1) Sodium carbonate crystals. 2) Table salt.  3) NaCl pure. 4) concentrate sulphuric acid. 5) anhydrous copper sulphate​

Answer 1

Answer:

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Increase in mass-iron and conc. Sulfuric acid

The decrease in mass-sodium carbonate crystals

No change in mass when exposed to air-sodium chloride and table salt.

Answer 2

Explanation:

Increase in mass-iron and conc. Sulfuric acid

Decrease in mass-sodium carbonate crystals

No change in mass when exposed to air-sodium chloride and table salt.

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