Chemistry MCQ 10 - O Level Chemistry & IP Chemistry Notes by 10 Year Series Author

Another interesting question by one of my Secondary 4 O-Level Pure Chemistry students. This time it is on Electrolysis & Mole Calculations.

Let’s take a look at the question.

Question:

If dilute H₂SO₄ is electrolysed using graphite electrodes, the products obtained will be in the proportions of:

A) 1 g of hydrogen : 8 g of oxygen

B) 1 g of hydrogen : 16 g of oxygen

C) 2 g of hydrogen : 8 g of oxygen

D) 1 dm³ of hydrogen : 2 dm³ of oxygen

Now, go take out a piece of paper and attempt the question before you scroll down to look at the suggested solution.