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Molecular Formula

What is commo...

Question

What is common to the following:
N₂
CaO
H₂O
NaCl

(a) Each of them represents one molecule of a different substance.
(b) Each of them represents the formula of a different substance.
(c) Each of them tells us the number of atoms of each kind present in one molecule of that substance.
(d) All the above

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Solution

(d) All of the above

All these formulas represent a molecule of a different substance. Also, each of them represents the number of atoms of each kind present in one molecule of that substance.

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