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| सूची-$I$ (पदार्थ का द्रव्यमान) | सूची-$II$ (परमाणुओं की संख्या) |
| $A$. $1.8 \text{ mg}$ जल | $I$. $2 \times 10^{-4} \times N_{A}$ |
| $B$. $9.8 \text{ mg}$ सल्फ्यूरिक अम्ल | $II$. $1.5 \times 10^{-4} \times N_{A}$ |
| $C$. $1.8 \text{ mg}$ कार्बन | $III$. $3 \times 10^{-4} \times N_{A}$ |
| $D$. $5.85 \text{ mg}$ लवण (NaCl) | $IV$. $7 \times 10^{-4} \times N_{A}$ |
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