Multiple Choice Question Answer XIII — task. Science CBSE, Class 9.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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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?

\(NaCl\)
\(Na_2CO_3\)
\(NaOH\)
\(NaHCO_3\)

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