MCQ
Atom $: ............ :$ Electrons $:$ Negatively charged:
- ✓No charge
- BPositively charged
- CNegatively charged
- DNone of the above
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S.No
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Column I
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Column II
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$a$
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$9.033 \times 10^{24}$ atoms
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$i$
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$46g$ of He
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$b$
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$2$ moles of Na
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$ii$
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$15$ moles
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$c$
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$11.2 L of O_2$ at $STP$
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$iii$
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$3.011 \times 10^{23}$ molecules
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$d$
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$22g$ of $CO_2$
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$iv$
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$16g$
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