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 molecules is linear in shape?
CH4
H2O
NH3
H2S
CI2
Correct answer is E
No explanation has been provided for this answer.
If a solid has a low melting point and dissolves readily in benzene, it would probably
contain strong electrostatic forces of attraction
conduct electricity in the molten state
dissolve in water
have covalent bonding
absorb moisture on exposure to air
Correct answer is D
No explanation has been provided for this answer.
What is the molar mass of an alkyne with the formula Cx H 14? (H = 1, C = 12)
86g
92g
98g
110g
112g
Correct answer is D
No explanation has been provided for this answer.
The following compounds contain the same type of bonds except
sodium chloride
hydrogen chloride
magnesium chloride
potassium chloride
lithium chloride
Correct answer is B
No explanation has been provided for this answer.
When magnesium ribbon burns in air, the products are
magnesium nitride and magnesium oxide
magnesium nitride and carbon (ll) oxide
magnesium oxide and steam
magnesium nitride and soot
magnesium oxide and carbon (ll) oxide
Correct answer is C
No explanation has been provided for this answer.