Batteries Crossword Puzzle

QUESTIONS LIST:

• mercury : _ cell is suitable for low current devices like hearing aids, watches, etc.
• reversed : on charging secondary batteries, the reaction is _
• secondary : type of battery which can be recharged
• false : thermal plants have more efficiency than fuel cell (true/false)
• primary : type of battery which can be only used once
• galvanic cell: another name of fuel cell
• lead : most commonly used battery in automobiles & inverters - _ storage battery
• water : the fuel cell used in the apollo space program formed
• zinc : mercury cell consists of _ -mercury amalgam
• graphite : cathode in primary batteries
• opposite : secondary cells are charged by passing current through it in the _ direction
• lead oxide: grid of lead packed with _ as cathode in lead storage battery
• sulphuric acid: electrolyte used in lead storage batteries
• leclanche : another name of dry cell