Chemistry Past Questions

JAMB 2023

Which trace gas in the atmosphere plays a significant role in the greenhouse effect?

JAMB 2023

Balance the following redox reaction:Fe2O3 + CO → Fe + CO2

JAMB 2023

When an acidic solution is diluted, what happens to its pH?

JAMB 2023

The trend for ionization energy across a period in the periodic table

JAMB 2023

Which of the following reactions would be expected to have the highest entropy change?

JAMB 2023

What is the sum of the oxidation numbers in a neutral compound?

JAMB 2023

What is the main source of carbon monoxide (CO) in urban areas?

JAMB 2023

Which organic compound is responsible for the characteristic aroma of fruits?

JAMB 2023

Alkynes readily undergo addition reactions with which of the following?

JAMB 2023

What happens to the position of equilibrium if a reversible exothermic reaction is subjected to a de

JAMB 2023

The name of the process by which ammonia is produced on an industrial scale is called

JAMB 2023

Which of the following is an example of an endothermic reaction?