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.
branched chain alkanes
straight chain alkanes
cycloalkanes
halogenated hydrocarbons
Correct answer is A
No explanation has been provided for this answer.
CH3 = CHCH3
CH3 ≡ CCH3
HC = C-CH2CH3
CH2 = CH-CH = CH2
Correct answer is B
HC = C-CH2CH3
Inspite of the electronic configuration, 1s22s22p2, carbon is tetraavalent because?
the electrons in both 2s and 2p orbitals have equal energy
the electrons in both 2s and 2p orbitals are equivalent
both the 2s and 2p orbitals hybridizes
the six orbitals hybridize to four
Correct answer is C
both the 2s and 2p orbitals hydrodizes
iron only
electropostive metals
metals below hydrogen inthe electrochemical series
all metals
Correct answer is D
No explanation has been provided for this answer.
high temperature weilding of the metals
electrolysis using the major metallic component as cathode
reducing a mixture of the oxies of the elements
cooling a molten mixture of the necessary elements
Correct answer is D
No explanation has been provided for this answer.