M3 Cat A 3.2

The decomposition of chemical compounds by passing an electric current through a liquid is called

• electrolysis
• electroplating
• electromagnetism
• electrostatics

What happens to water when an electric current is applied?

• Water turns into steam.
• Water freezes into ice.
• Water evaporates into the air.
• Water molecules decompose into hydrogen and oxygen gases.

When using a liquid as a conductor, what is the liquid generally known as?

• conductor
• solution

• electrolyte
• compound

An electron beam uses what medium as a conductor?

• semi-conductor

• liquid

• copper
• vacuum

If the rod now moves away from the material, what charge will the material have?

• Neutral

• Positive

• Negative

If the finger is removed and the rod now moves away from the material, what charge will the material have?

• Neutral

• Positive

• Negative

If the rod is removed and moves away from the material, what charge will the material have?

• Neutral

• Positive

• Negative

if the two rods are removed and move away from the spheres, what happen to the spheres?

• A force of repulsion with move them apart

• A force of attraction with move them together

• Nothing

What is represented at 1?

• Anode

• Cathode

• Vacuum