Logo
search
menuicon
thubnail
Labirin
Bebas

Electrolysis

Nerisa Nurul B
61
Pertanyaan yang ditambahkan (11/ 20)
Izinkan jawaban yang salah
Sembunyikan jawaban
public kuis

Pertanyaan 1

Pilihan ganda

What is electrolysis?

  • breaking down of a compound using a current
  • making a compound using a current

Pertanyaan 2

Pilihan ganda

What kind of Electrical Current does Electrolysis require?

  • Direct
  • Indirect
  • Anternative
  • A alternating

Pertanyaan 3

Pilihan ganda

Which statement correctly describes the 2 electrodes?

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

Pertanyaan 4

Pilihan ganda

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

  • salt solution
  • electrolyte
  • electric solution
  • mineral solution

Pertanyaan 5

Pilihan ganda

Explain why the electrolyte has to be a liquid!

  • So the electrons can move
  • So the ions can move
  • So that it doesn't get too hot
  • so, the current can flow through it

Pertanyaan 6

Pilihan ganda

What happens at the positive electrode?

  • Negative metal ions are attracted
  • Negative non-metal ions are attracted
  • Positive metal ions are attracted
  • Positive non-metal ions are attracted

Pertanyaan 7

Pilihan ganda

Positive ions (cations) will move towards the cathode (-) where they will discharge by....

  • breaking apart
  • losing electrons
  • gaining electron
  • clumping together

Pertanyaan 8

Pilihan ganda

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

  • chlorine
  • hydrogen
  • oxygen
  • sodium

Pertanyaan 9

Pilihan ganda

What is the equation to show what happens to Cl ions at the anode?

  • Cl- --> Cl + e-
  • 2Cl- --> Cl2 + 2e-
  • Cl2 + 2e- --> 2Cl-
  • Cl2 + 2e- --> 2Cl-

Pertanyaan 10

Pertanyaan jawaban singkat

Predict the electrolysis products at the anode and cathode when molten aluminium iodide is electrolysed.

  • aluminium and iodine

  • iodine and aluminium

Pertanyaan 11

Pertanyaan jawaban singkat

Predict the electrolysis products at the anode and cathode when aqueous solution of magnesium chloride is electrolysed.

  • hydrogen gas and chlorine gas

  • hydrogen and chlorine

  • chlorine and hydrogen

  • H2 and Cl2

  • Cl2 and H2

Bagikan ke Google Classroom