Batteries Crossword Puzzle

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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