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Chemistry Past Questions

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.

44 questions JAMB 2505 WAEC 1623 NECO 168 CUSTOM 10
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Past Questions

44 questions
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Question 1 of 4 44 total questions
Question 21
jamb 2013
The shape of the carbon (lV) oxide molecule is
Apyramidal
Blinear
Cangular
Dtetrahedral
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Question 22
jamb 2013
The radioisotope used in industrial radiography for the rapid checking of faults in welds and casting is
Acarbon-14
Bphosphorus-32
Ccobalt-60
Diodine-131
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Question 23
jamb 2013
What volume of carbon (ll) oxide is produced by reacting excess carbon with 10 dm3 of oxygen?
A5 dm 3
B20 dm 3
C15 dm 3
D10 dm 3
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Question 24
jamb 2013

The presence of an impurity in substance will cause the melting point to

Abe zero
Breduce
Cincrease
Dbe stable
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