Teaching MPPSC Assistant Professor Mock Test Series 2025 Chemistry Environmental Chemistry Green Chemistry

नैनोकणों की विशिष्ट आकार सीमा क्या है?

1
10-100 माइक्रोमीटर
2
1-10 माइक्रोमीटर
3
100-1000 नैनोमीटर
4
1-100 नैनोमीटर
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