Deck 12: Conduction in Liquids and Gases

Question 1

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

A) anode
B) cathode

Answer 1

B

Question 2

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 2

A

Question 3

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

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

Answer 3

B

Question 4

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 5

Who discovered and named X-rays?

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

Question 6

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 7

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 8

Lead-acid batteries use an electrolyte containing _____.

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

Question 9

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

Question 10

X-rays result when cathode rays strike _____.

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

Question 11

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

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

Question 12

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

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

Question 13

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

A) anode
B) cathode

Question 14

What is the process of separating elements electrically?

A) electroplating
B) electrolysis
C) ionizing

Question 15

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

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

Question 16

A copper electroplating process sometimes uses a compound called _____.

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

Question 17

Plating copper onto iron often involves a poisonous solid called _____.

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

Question 18

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