Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Chemistry Some Basic Concepts of Chemistry Mole Concept
40% (w/v) NaCl has specific gravity 1.12 g/mL. In ppm the concentration of NaCl is:
1
5.5 × 105
2
3.57 × 105
3
1 × 106
4
More than one of the above
5
None of the above