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Some Basic Concepts of Chemistry question

2025 · Q116
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Some Basic Concepts of Chemistry question

2025 · Q116

NEETChemistrySome Basic Concepts of ChemistryMCQ+4 / −1

Among the following, choose the ones with equal number of atoms.

A. 212 g of Na2CO3( s)\mathrm{Na}_2 \mathrm{CO}_3(\mathrm{~s})Na2​CO3​( s) [molar mass =106 g=106 \mathrm{~g}=106 g ]

B. 248 g of Na2O(s)\mathrm{Na}_2 \mathrm{O}(\mathrm{s})Na2​O(s) [molar mass =62 g=62 \mathrm{~g}=62 g ]

C. 240 g of NaOH(s)\mathrm{NaOH}(\mathrm{s})NaOH(s) [molar mass =40 g=40 \mathrm{~g}=40 g ]

D. 12 g of H2( g)\mathrm{H}_2(\mathrm{~g})H2​( g) [molar mass =2 g=2 \mathrm{~g}=2 g ]

E. 220 g of CO2( g)\mathrm{CO}_2(\mathrm{~g})CO2​( g) [molar mass =44 g=44 \mathrm{~g}=44 g ]

Choose the correct answer from the options given below:

  1. A
    B, C, and D only
  2. B
    B, D, and E only
  3. C
    A, B, and C only
  4. D
    A, B, and D only
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