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Science CBSE Homework Assignments
Class 9
Atoms and molecules
Writing chemical formulae
1.
Formula of a compound
Task:
2
m.
1.
Which one of the following statements is correct regarding the formula of a compound?
(A) It tells which elements are present in a compound
(B) It tells the number of atoms of each element present in a compound
Both (A) and (B)
None of the above
2.
What is the formula of common salt?
\(NaHCO_3\)
\(NaCl\)
\(Na_2CO_3\)
\(NaOH\)
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