Question

110 vereases with r
10. In which of the following substances will there be :
hinc (a) increases in mass(b) decreases in mass
(c) no change in mass when they are exposed to air.
(i) Sodium carbonate crystals (ii) Table salt ebblorence
(iii) Sodium chloride (pure)
iv) Conc. sulphuric acid
(u) Anhydrous copper sulphate
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Answer 1

Explanation:

your question is not clear to me

so, I can't help u

sorry

Answer 2

Answer:

ha ha ha in bachi ko smjhan mere bs ki baat ni