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.
The mass of one Avogadro number of helium atoms is?
The mass number of a nucleus is?
The reactivity of fluorine is due to?
Soaps clean surfaces on the principle based on?
Which of the following is a form of calcium carbonate?
I. limestone
II. marble
III. chalk
Iv. egg-shells
Neutrons were discovered by?
The maximum electron in N shell is?
A sample of any of the following substances disappears after some time when exposed to air like camphor, naphthalene, or dry ice. This phenomenon is called?
Oxygen is absent in?
The gas which causes global warming is?
The atomic weight of nitrogen is?
Which of the following are chemical changes?
I. cooking of food
II. digestion of food
III. freezing of water
IV. water is heated up
Which of the following is a non-metal that remains liquid at room temperature?
Which one of the following is not a mixture?
A 'breath test' used by traffic police to check drunken driving uses?
What is the chemical name for the compound CuCO\(_{3}\)?
What is the IUPAC name for the following compound? HC\(\equiv\)CCH\(_{3}\)
The scientist who stated that matter can be converted into energy is?
The enzyme that converts glucose to ethyl alcohol is?
Give the common name for the following compound (CH\(_{3}\))\(_{2}\) CH CH\(_{2}\) -Br