MCQOPTIONS
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MCQOPTIONS
| 1. |
Number of atoms in 69 g of Na is : |
| A. | \[1.0\times {{10}^{24}}\] atoms of Na |
| B. | \[1.80\times {{10}^{24}}\] atoms of Na |
| C. | 1 and 3 only |
| D. | \[1.5\times {{10}^{23}}\] atoms of Na |
| E. | None of these |
| Answer» C. 1 and 3 only | |