Q1: A lead-acid battery is an example of a

ANS:D - secondary battery

A Primary battery is an Alkaline battery- are non-rechargeable, high energy density, batteries that have a long lifespan. This battery obtained its name because the electrolyte used in it is alkaline (potassium hydroxide). The chemical composition features zinc powder as an anode and manganese dioxide as the cathode with potassium hydroxide as the electrolyte.