IGCSE electrolysis

What is the name of a positively charged ion?

• positron
• proton
• cation
• anion

What is the name of a negatively charged ion?

• negatron
• electron
• cation
• anion

What is the name of a negatively charged electrode?

• cathode
• anode
• cation
• anion

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is the name of a positively charged electrode?

• cathode
• anode
• cation
• anion

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What state must the ionic compound be in to be electrolysed?

• aqueous only
• solid only
• solid or aqueous only
• molten or aqueous only

What particle carries the charge in the wire?

• electron
• proton
• ion
• atom

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What particle carries the charge in the electrolyte?

• electron
• proton
• ion
• atom

Tags

NGSS.HS-PS2-5

Which non-metal is often used for electrodes?

• carbon
• copper
• zinc
• silicon dioxide

In an aqueous solution of copper chloride, which ions are attracted to the negative electrode?

• Cu²⁺ and Cl^- and H⁺ and OH^-
• Cu²⁺ and H⁺ 
•  Cl^- and OH^-
• Cu²⁺ 

Tags

NGSS.HS-PS2-5

In an aqueous solution of copper chloride, which substance is produced at the positive electrode

• copper
• chlorine
• oxygen
• ^chloride 

Tags

NGSS.HS-PS2-5