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