Learn more about the properties, composition, and structure of substances (elements and compounds) with these Chemistry questions and answers. This Test can be used by students preparing for Chemistry in JAMB, WAEC, NECO or Post UTME.
The constituent of air that acts as a diluent is
nitrogen
carbon (IV) oxide
noble gases
oxygen
Correct answer is A
No explanation has been provided for this answer.
The bond formed between two elements with electron configurations 1s2 2s2 2p6 3s2 and 1s2 2s2 2p4 is
metallic
covalent
dative
ionic
Correct answer is D
No explanation has been provided for this answer.
Which of the following molecules is held together by hydrogen bond?
CH4
HBr
H2SO4
HF
Correct answer is D
No explanation has been provided for this answer.
The shape of the carbon (lV) oxide molecule is
pyramidal
linear
angular
tetrahedral
Correct answer is B
No explanation has been provided for this answer.
carbon-14
phosphorus-32
cobalt-60
iodine-131
Correct answer is C
No explanation has been provided for this answer.