NDA General Science Chemistry Questions Part 1

Lithium batteries are batteries that have lithium as an anode. These types of batteries are also referred to as lithium-metal batteries. The membrane get polarized with the movement of Na+ ion and crate appropriate potential across membrane. K control the water balancein blood. Caesium clocks are the most accurate & commercially produced time and frequency standards, and serve as the primary standard for the definition of the second in SI (the metric system).