Which of the following compounds is a base?

Assessment: JAMB UTME - Chemistry - 1994 Subject: Chemistry

Question 1 Report

Which of the following compounds is a base?
Answer Details
A base is a substance that can accept hydrogen ions (H+) or donate hydroxide ions (OH-) in a chemical reaction. Among the given options, CaO is a base. When CaO dissolves in water, it reacts with water to form Ca(OH)2, a strong base that dissociates into calcium ions (Ca2+) and hydroxide ions (OH-) in solution. Therefore, CaO is a base.
Read lesson note on Acids, Bases And Salts (JAMB)
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