Which of the following ions requires the largest quantity of electricity for discharge at an electrode?
Chemistry Past Questions
Study and practice Chemistry past questions with answers and detailed explanations. Then test your knowledge using our interactive CBT practice platform and prepare confidently for your upcoming examinations.
Take a test
Custom CBT
Create and set up a CBT environment with your preferred subjects.
JAMB CBT Simulator
Practice JAMB CBT with real UTME past questions in CBT format.
WAEC CBT Practice 2026 Simulator
CB-WASSCE styled past question practice.
NECO CBT Practice 2026 Simulator
SSCE & GCE styled past question practice.
Past Questions
64 questionsA fixed mass of gas occupies 92cm3 at 3°C. What will be its volume at 18C if the pressure remains constant?
Which of the noble gases has the greatest ionization energy
A small quantity of solid ammonium chloride (NH4Cl) heated gently in a test tube, the solid gradually disappear produce two gases. Later, a white cloudy deposit was absence on the cooler part of the test tube. The ammonium chloride is to have undergo
The acid in electrolysis of water is dilute
The gas that is most useful in protecting humans against solar marathon is