Electrolysis Quiz

1

What does the cathode attract?

1

Oxidation is gaining of electrons.

1

What is Electrolysis?

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Ionic substances contain ❌ particles called ions. For electrolysis to work, the ions must be ❌ to move. Ions are free to move when an ionic substance is dissolved in water or when ❌.

free

not free

melted

frozen

charged

normal

1

Label the cathode and the anode on the diagram below.

1

Electroplating is the process in which you are coating a cheaper metal with a more expensive one, such as copper or silver.

1

The object to be plated, such as a metal pan, is connected to the ( negative, positive ) terminal of the power supply. A piece of ( copper, lead ) is connected to the ( positive, negative ) terminal. The electrolyte is ( copper sulphate, copper nitrate ) solution.

1

What are the two ways of making a substance ready for electrolysis?

1

Which one of the following is not a reason for electroplating?

1

Sodium hydroxide is a strong ( alkali, acid ) and has many uses including making ( soap, shower gel ), making paper, making bleach, neutralising ( acids, alkalis ) and controlling pH.

1

❌ is used to kill bacteria in drinking water and in swimming pools, and to make bleach, ❌ and plastics. ❌ is used to make ❌ and rocket fuel.

margarine

butter

Chlorine

Hydrogen

disinfectants

cardboard

Quiz sobre Electrolysis Quiz, criado por Katie S em 09-12-2015.

Electrolysis Quiz

What does the cathode attract?

Oxidation is gaining of electrons.

What is Electrolysis?

Ionic substances contain ❌ particles called ions. For electrolysis to work, the ions must be ❌ to move. Ions are free to move when an ionic substance is dissolved in water or when ❌.

Label the cathode and the anode on the diagram below.

Electroplating is the process in which you are coating a cheaper metal with a more expensive one, such as copper or silver.

What are the two ways of making a substance ready for electrolysis?

Which one of the following is not a reason for electroplating?

Sodium hydroxide is a strong alkali acid( alkali, acid ) and has many uses including making soap shower gel( soap, shower gel ), making paper, making bleach, neutralising acids alkalis( acids, alkalis ) and controlling pH.

❌ is used to kill bacteria in drinking water and in swimming pools, and to make bleach, ❌ and plastics. ❌ is used to make ❌ and rocket fuel.

Sodium hydroxide is a strong ( alkali, acid ) and has many uses including making ( soap, shower gel ), making paper, making bleach, neutralising ( acids, alkalis ) and controlling pH.