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National Examinations Council
One sitting, one clock, covering both the objective and the essay paper. The CBT simulator practises the objective half.
36 exam-style questions, written to the National Examinations Council format and free to read. The answers are here too — what they do not tell you is how many you would get right with a clock running.
A. providing an alternative path of lower activation energy
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. CH2O
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. ammonia
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. covalent
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. 12
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. saponification
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. anode
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. inversely proportional to its pressure
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. very high melting points
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. supersaturated
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. a reducing agent
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. acidic
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. decreases
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. valence electrons
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. carbon dioxide and water
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. density
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. lowering the temperature
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. phenolphthalein
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. Charles law
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. an alkali
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. 1
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. 8
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. CnH2n+2
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. cathode
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. electron
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. potassium
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. chemically unreactive
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A. carbon dioxide
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. 20 g
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A. neutrons
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A. oxidised
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A. oxygen
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. 25 g
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A. -OH
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. CaO
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
A. filtration
Why that one is right — and why the option you were drawn to looked right — comes with the worked analysis after you sit the paper.
Every question above is answerable given time. The exam does not give you time. Sit the whole paper on the real clock and the number you get back is the one that means something.
Sit it against the clock — freeExampaper is an independent study service. It is not affiliated with, endorsed by, or connected to WAEC, NECO, JAMB or any examination body. Exam names and subject titles are used only to describe what each paper is for.
Made for candidates sitting the real thing.