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.
collisions are perfectly elastic
forces of repulsion exist
forces of repulsion and attraction are in equilibrium
collisions are inelastic
Correct answer is A
According to one of the kinetic theories of gases, When collisions occur, the molecules lose no kinetic energy; that is, the collisions are said to be perfectly elastic.
Al and Mg
Zn and Fe
Zn and Pb
Pb and H
Correct answer is A
No explanation has been provided for this answer.
The Consecutive members of an alkane homologous series differ by
CH
CH\(_2\)
CH\(_3\)
C\(_n\)H\(_n\)
Correct answer is B
No explanation has been provided for this answer.
Which of the following gases may not be dried with concentrated sulphuric acid?
HCl\(_{(g)}\)
NH\(_3\)
Cl\(_2\)
SO\(_2\)
Correct answer is B
No explanation has been provided for this answer.
An element used in the production of matches is
nitrogen
aluminium
copper
sulphur
Correct answer is D
No explanation has been provided for this answer.