chemical effects of electric current

Which of these will conduct electricity

• tap water

• distilled water

Conduction of electricity in liquids occurs through electrons.

• True

• False

Tags

NGSS.HS-PS2-5

When a liquid conducts electricity, a process other than conduction also takes place. What process is this?

• electrolysis

• electrochemical reaction

• electroplating

• oxidation

Tags

NGSS.HS-PS2-5

Electric current is the flow of particles with

• a negative charge.

• a positive charge.

• both positive and negative charges flowing opposite to each other.

• either positive or negative charge depending on the material.

Which of the following is not a conductor of electricity?

• tap water

• salt water

• petrol

• lime juice

An electrolyte is a

• solid that conducts electricity.

• liquid that conducts electricity and breaks up chemically in the process.

• liquid that does not conduct electricity.

• solid that does not conduct electricity.

On passing electricity through copper sulphate solution.

• copper is formed at anode.

• copper is formed at cathode

• oxygen is formed at anode.

• hydrogen is formed at cathode.

In which of these is current not conducted by electrons?

• copper

• aluminium

• tap water

• mercury

A battery is used as a driving force in an electric circuit. True or false?

• True

• false

which of these particles are responsible for the flow of electric current−electrons, protons or neutrons?

• electrons

• protons

• neutrons

Tags

NGSS.HS-PS1-1