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.
2:2
2:1
1:2
1:1
Correct answer is B
The mole ratio of acid to base = 2:1
The bonds in crystaline ammonium chloride are?
covalent and dative
ionic and covalent
ionic covalent and dative
ionic covalent and hydrogen bond
Correct answer is C
The formula for ammonium chloride is NH4Cl. The bond between the ammonium ion (NH4Cl+) are IONIC, COVALENT and DATIVE.
Which of the following molecules has a triple bond in its structure?
CH4
NH3
N2
O 2
Correct answer is C
No explanation has been provided for this answer.
Which of the following molecules has a linear shape?
CH4
CO 2
H2S
NH 3
Correct answer is B
No explanation has been provided for this answer.
A solid substance with high melting and boiling points is likely to be a/an
covalent compound
dative covalent compound
electrovalent compound
non-metal
Correct answer is C
No explanation has been provided for this answer.