2018 - JAMB Chemistry Past Questions and Answers - page 8
An element X forms the following compounds with chlorine; XCl\(_4\), XCl\(_3\), XCl\(_2\). This illustrates the
The hydrogen ion concentration of a sample of orange juice is 2.0 X 10\(^{-11}\)moldm\(^{-3}\). What is its p\(^{OH}\)? [log102 = 0.3010]
2SO\(_2\) \(_{(g) }\)+ O\(_2\) \(_{(g) }\) ↔ 2SO\(_3\)\(_{(g) }\) ΔH = -395.7kJmol\(^{-1}\)
In the equation, an increase in temperature will shift the equilibrium position to the
The end products of burning a candle in the atmosphere are water and
The collision theory explains reaction rates in terms of
The presence of ammonia gas in a desiccator can exclusively be removed by
Aluminium does not react with either dilute or concentrated trioxonitrate (V) acid because
Which of these sources of water may likely contain the least concentration of Ca\(^{2+}\) and Mg\(^{2+}\)?
The conductivity of an acid solution depends on the