defence exam Indian Army Nursing Assistant Mock Test Series 2025 General Science Chemistry Basic Concepts of Chemistry

कार्बन डाइऑक्साइड के 1.506 x 1023 अणुओं वाले गैस जार में कितने मोल CO2 उपस्थित हैं?

1
0.5
2
1
3
2
4
0.25
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