Question

What do the following formulae represent?
(a) 2 0
(b) H2
(c) 10 H2O
(d) 4 CI (e) 5 CO2 (f) FeS​

Answer 1

(a) 2O => Two atoms of oxygen

(b) H2 => Hydrogen Monhydride

(c) 10H2O => Washing Soda ( Sodium carbonate decahydrate )

(d) 4Cl => Thiopyridine

(e) FeS => iron(II) sulfide or ferrous sulfide.

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Answer 2

Answer:

a) 2O = Two atoms of oxygen

b) H2 = Hydrogen Monhydride

c) 10H2O = Washing Soda ( Sodium carbonate decahydrate )

d) 4Cl = Thiopyridine

e) FeS = iron(II) sulfide or ferrous sulfide.