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 weakest attractive force that can be observed between two molecules is
ionic
covalent
coordinate covalent
van der Waals
Correct answer is D
No explanation has been provided for this answer.
When cathode rays are deflected onto the electrode of an electrometer, the instrument becomes
negatively charged
positvely charged
neutral
bipolar
Correct answer is A
No explanation has been provided for this answer.
A gas exerts pressure on its container because
some of its molecules are moving faster than others
of the collision of the molecules with each other
of the mass of the molecules of gas
the molecules of a gas colide with the walls of the container
Correct answer is D
No explanation has been provided for this answer.
I and II
I and III
I and IV
III and IV
Correct answer is A
Paramagnetic materials are materials that tend to get weakly magnetized in the direction of the magnetizing field when placed in a magnetic field.
Examples: Copper, gold, antimony, bismuth, silver, lead, silicon, mercury, water, air, hydrogen, nitrogen, etc
Decrease
Increase
Remain constant
Be zero
Correct answer is B
No explanation has been provided for this answer.