2019 - JAMB Chemistry Past Questions and Answers - page 2

Which of the following metals is the most essential in the regulation of blood volume, blood pressure and osmotic equilibrium?

Which of the following alkaline metals react more quickly spontaneously with water?

When chlorine water is exposed to bright sunlight, the following products are formed

Which process(es) is/are involved in the turning of starch iodide paper blue-black by chlorine gas?

Which of the following is a set of neutral oxides?

SO${}_3$ is not directly dissolved in water in the industrial preparation of H${}_2$SO${}_4$ by the contact process because

Which of the following statements does not show Rutherford's account of Nuclear Theory? An atom contains a region

Elements X and Y have electronic configurations 1s${}^2$2s${}^2$2p${}^4$ and 1s${}^2$2s${}^2$2p${}^6$3s${}^2$3p${}^1$ respectively. When they combine, the formula of the compound formed is

By what amount must the temperature of 200cm${}^3$ of Nitrogen at 27°C be increased to double the pressure if the final volume is 150cm${}^3$ (Assume ideality)

The combustion of carbon(ii)oxide in oxygen can be represented by equation.
2CO + O${}_2$ → 2CO${}_2$
Calculate the volume of the resulting mixture at the end of the reaction if 50cm${}_3$ of carbon(ii)oxide was exploded in 100cm${}_3$ of oxygen