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O Level Chemistry & IP Chemistry Notes by 10 Year Series Author – Chemistry Specialist

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

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Chemistry MCQ

O Level Chemistry Question: Electrolysis / Mole Concepts / Mole Calculations

Hey student,

Here is another one for you to think about. Yup. O Level Preliminary Chemistry question. Think about it and let me know.

Question:
A certain quantity of electricity liberates 9g of aluminiun. The volume of oxygen liberated at r.t.p from dilute sulphuric acid by the same quantity of electricity is:

A)6 dm^3
B)8 dm^3
C)12 dm^3
D)24 dm^3

Happy trying. Rmbr: Best thing is to write it down and play around with the equations. You will see the light in the tunnel….

Sean
Master Trainer @
SimpleChemConcepts

Qn answered and explained under comments

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