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.
Create and set up a CBT environment with your preferred subjects.
Practice JAMB CBT with real UTME past questions in CBT format.
CB-WASSCE styled past question practice.
SSCE & GCE styled past question practice.
Which of the following instruments is used in detecting the presence of radiation?
Which of the following substances is mainly responsible for the depletion of the ozone layer?
Which of the following industrial processes depends on the action of enzymes?
A tertiary alkanol has a molecular formula C\(_4\)H\(_{10}\)O. What is the structural formula of the compound?
An alkanol can be prepared by the reaction of an alkene with
Which of the following substances would not produce ethanol when fermented?
Consider the following reaction equation: C\(_{16}\)H\(_{34}\) → C\(_5\)H\(_{12}\) + C\(_{11}\)H\(_{22}\). The process represented by the equation is
The oxidation number of Fe in [Fe(CN)\(_6\)]\(^{3-}\) is
Which of the following devices function on redox reaction? l. Dry cell ll. Car battery III. Electric generator
Consider the reaction represented by the following equation: CuO\(_{(s)}\) + H\(_2\)SO\(_{4(aq)}\) → CuSO\(_{4(aq)}\) + H\(_2\)O\(_{(l)}\). Which of the following factors will not affect the rate of the reaction?
A spot of oil paint on a shirt can best be removed using?
The hydrolysis of NH\(_4\)CI gives
Which of the following pH values indicates that a solution is a strong base?
On heating, the following trioxocarbonate (IV) salts decompose to give solid residue except
A substance L reacts with NH\(_4\)NO\(_{3(aq)}\) to generate ammonia gas. L is likely to be
The energy evolved when magnesium burns in air is in the form of
Which of the following gases has the lowest rate of diffusion under the same condition? [H = 1.00; He = 4. 00; O = 16.0; CI = 35.5]