engineering recuitment BARC Stipendiary Trainee Category II 2023 Mock Test General Science Chemistry Basic Concepts of Chemistry

CO₂ के 1 मोल में _________ होते है।

1

6 × 10²³ O परमाणु

2

18 × 10²³ CO₂ अणु

3

CO₂ के 3 g परमाणु

4

6 × 10²³ C परमाणु

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