Deck 12: Conduction in Liquids and Gases

Question 1

An electrolyte may be made from water and an additive such as salt, a(n) , or a(n) .

A) acid; alkali
B) base; acid
C) cathode; anode
D) anode; electrode

Answer 1

A

Question 2

What is the most important factor in ionization of a gas?

A) electrolysis
B) electron impact
C) ionization
D) electroplating

Answer 2

B

Question 3

If a magnesium atom combines with two chlorine atoms, the result is .

A) table salt
B) sulfuric acid
C) metallic salt
D) alkali

Answer 3

C

Question 4

The operating principles of the cathode-ray tube were discovered by .

A) George Ohm
B) Wilhelm Roentgen
C) Gustav Kirchhoff
D) J.J. Thomson

Question 5

What is the process of separating elements electrically?

A) electroplating
B) electrolysis
C) ionizing

Question 6

In an electroplating operation, what is he positive terminal called?

A) anode
B) cathode

Question 7

In an electroplating operation, what is the negative terminal called?

A) anode
B) cathode

Question 8

Once an arc is started in a gas, the voltage required to maintain conduction is .

A) the same
B) one-half
C) reduced
D) double

Question 9

Lead-acid batteries use an electrolyte containing .

A) cuprous cyanide
B) table salt
C) metallic salt
D) sulfuric acid

Question 10

Plating copper onto iron often involves a poisonous solid called .

A) sulfuric acid
B) table salt
C) metallic salt
D) cuprous cyanide

Question 11

Who discovered and named X-rays?

A) George Ohm
B) Wilhelm Roentgen
C) Gustav Kirchhoff
D) J.J. Thomson

Question 12

An ion is an atom that has had a(n) added or removed.

A) electron
B) neutron
C) proton
D) quark

Question 13

As the atmospheric pressure increases, the amount of voltage required to reach ionization potential .

A) does not change
B) doubles
C) increases
D) decreases

Question 14

One of the most common uses for electroplating is the production of pure .

Question 15

A copper electroplating process sometimes uses a compound called .

A) table salt
B) copper sulfate
C) sulfuric acid
D) metallic salt

Question 16

What is the process of depositing one type of metal onto another using electricity?

A) electrolysis
B) electroplating
C) electrolyte
D) ionization

Question 17

X-rays result when cathode rays strike .

A) semiconductor
B) metal
C) gas
D) liquid

Question 18

What term refers to the amount of voltage an electron must possess to cause ionization?

A) electrolysis point
B) ion point
C) electron impact
D) ionization potential