electrolysis & electro plating

When NaCl solution is electrolysed what has forms at the anode?

• Hydrogen
• Oxygen
• Chlorine
• Sodium

What is the name of the negative electrode?

• cathode
• anode

What is the name given to the solution that is being electrolysed?

• Salt solution
• Electric solution
• Mineral solution
• Electrolyte

Tags

NGSS.HS-PS1-5

Which statement correctly describes the 2 electrodes?

• The anode is negative and the cathode is positive
• The anode and cathode are both positive
• The anode is positive and the cathode is negative
• The anode and cathode are both negative.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is Electrolysis ?

• Chemical decomposition due to passage of light through solutions of ionic compounds.

• Chemical decomposition due to passage of electricity through solution of ionic compounds.

• Chemical decomposition due to passage of heat through solution of ionic compounds.

• All of the above

Which of the following is a not a component of an Electrolytic cell?

• Electrolyte

• Cathode

• Anode

• Non of the above

Polls of Graphite or Platinum through which an electric current enters the electrolyte are collectively called what ?

• Electrodes

• Anode

• Cathode

• Cation

A positively charged ion is called ?

• Cathode

• Cation

• Anode

• Anion

Which particles are responsible for conduction of electricity in electrolyte ?

• Free moving electrons

• Free moving ions

• Free moving proton

• Excess neutron

Using reactivity series of metals, Which of the following metals is the most reactive ?

• Copper

• Magnesium

• Sodium

• Silver