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.
Which of the following non-metals reacts most readily with metals?
Nitrogen
Chlorine
Sulphur
Carbon
Correct answer is B
No explanation has been provided for this answer.
Elactrostatic force of attraction between sodium ion and halide ion is greatest in
NaCI
NaBr
NaF
NaI
Correct answer is C
No explanation has been provided for this answer.
Which of the following contains co-ordinate covalent bond?
HCI
CH 4
NH4
Na+CI
Correct answer is C
No explanation has been provided for this answer.
The type of chemical bond that exists between potassium and oxygen in potassium oxide is
ionic
metallic
covalent
dative
Correct answer is A
No explanation has been provided for this answer.
Electrovalent compounds are characterized by
solubility in ethanol
high molar mass
high melting point
strong oxidizing ability
Correct answer is C
No explanation has been provided for this answer.