Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Basic Concepts of Chemistry
How many molecules of water are present in a drop of water weighing 10 g?
1
0.33 × 1024
2
0.177 × 1024
3
1.08 × 1024
4
More than one of the above
5
None of the above