Which of the following contains Avogadro's number of particles?

Practice MCQ for SSC, UPSC, RRB Exams

A. 1 gram of H A.
B. 16 grams of O B.
C. 18 grams of H₂O C.
D. 1 atom of C D.

Correct Answer: C সঠিক উত্তর: C

Explanation ব্যাখ্যা

18g of H₂O = 1 mole = 6.022 × 10²³ molecules.

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