Test # 58
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1450 questions in 145 tests. Each test contains 10 questions.
Idiom of the Day
get carried away
to be overcome by emotion or enthusiasm, to lose one's control or judgement
I got carried away yesterday and cleaned all of my apartment.
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The ability of chemical reactions to produce electricity, and conversely the ability of electricity to drive chemical reactions has a wide array of uses.
Electrochemistry has always been an important part of electricity. From the initial invention of the Voltaic pile, electrochemical cells have evolved into the many different types of batteries, electroplating and electrolysis cells. Aluminium is produced in vast quantities this way, and many portable devices are electrically powered using rechargeable cells.