21 )Which of the following is not a
compound?
1.0 Marks
a)NaCl
b)CO2
c)H20
d)CI
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Answered by
1
Answer:
A compound is a substance which comprises of atoms or ions of more than two different elements. These elements are bound in definite proportion to form a compound. Brass is not a compound whereas washing soda, quick lime and marble are all compounds.
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Chlorine (Cl) is not a compound among these two.
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