Answer the following statement(s) true (T) or false (F)
1. Alessandro Volta had begun his work in the 1830s by suspending zinc in zinc sulfate and platinum in nitric acid.
2. The Grove battery had a blotter soaked with salt water (later sodium nitrate) between a silver electrode and a zinc electrode with the two electrodes connected by wire.
3. In the contact theory, electricity is produced when chemical reactions occur, preferably spontaneously.
4. The market for electricity through most of the 20th century was in two things: heavy work and lighting.
5. At the turn of the century, Walther Nernst went from the liquid acid and molten alkali electrolytes to a solid electrolyte.
1. False
2. False
3. False
4. True
5. True
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Is calcium a nonessential component of cell walls and membranes?
Indicate by YES (Y) or NO (N).
All _____ produce milk for their young.
Fill in the blank(s) with the appropriate word(s).
All of the following will shut off the high voltage to components and circuits EXCEPT ________
A) Turning the ignition off B) Disconnecting the 12-volt auxiliary battery C) Removing the main fuse, relay, or HV plug D) Opening the driver's door
Skin exposed to streams of liquid refrigerant can receive:
A) Convulsions and vomiting. B) Cardiac arrhythmia. C) A tingling effect. D) A burn from the subzero liquid.