Answer Happy

1a.) The batteries used in most automobiles for engine ignition
use
A) the Zn/MnO2 reaction, either in acidic
or basic (alkaline) conditions
B) the Pb/HSO4- reaction
C) Cd/NiO(OH) reaction
D) the reaction of NiO(OH) with a metal hydride
E) all the above
1b.) Fuel cells:
A) may one day replace centralized power grid
electricity
B) use hydrogen gas as fuel
C) produce only H2O as product
D) are also used in breathalyzers
E) all the above
1c.) Alpha radiation:
A) is composed of helium nuclei
B) is composed of high energy electrons
C) is composed of photons
D) all the above
E) none of the above
1D.) Beta radiation
A) is composed of helium nuclei
B) is composed of high energy electrons
C) is composed of photons
D) all the above
E) none of the above