state gov Bihar Police SI (दरोगा) Mock Test Series 2025 General Science Chemistry Acids, Bases and Salts
In a common salt/sodium chloride (NaCl), ions of which element is positively charged and negatively charged, respectively?
1
Ions of both Na and Cl are positively charged.
2
Ions of both Na and Cl are negatively charged.
3
Na ions are positively charged, and Cl ions are negatively charged.
4
Cl ions are positively charged, and Na ions are negatively charged.