Question

A good substitute for dry cell is:

• A. mercury cell
• B. lithium cell
• C. expensive alkaline battery
• D. None of these

Answer 1

Answer: (C)

expensive alkaline battery

In the primary batteries, the reaction occurs only once and after use over a period of time battery becomes dead and cannot be reused again. Dry cell or Leclanche cell is an example of this type. Thus, expensive alkaline battery is rechargeable and can be reused.