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 minerals contains flurine as one of its constituent elements?
Cryolite
Bauxite
Potash alum
Kaolin
Mica
Correct answer is A
No explanation has been provided for this answer.
Which of the following pH values is likely to be that of a slightly alkaline solution?
2
5
7
8
13
Correct answer is D
No explanation has been provided for this answer.
Which of the following statements is not correct? The 4s orbital
is defined by the quantum number 1 = O
is of higher energy than the 3d orbital
contains a maximum of two electrons
is spherical about the nucleus
is filled before the 4p orbital
Correct answer is B
No explanation has been provided for this answer.
Which of the following statement is not correct about esterification?
It is a slow reaction
the process is reversible
it is similar to hydrolysis
it is catalysed by acids
the products usually have a fruity smell
Correct answer is C
No explanation has been provided for this answer.
the reaction vessel gets hotter as the reaction proceeds
∆H for the reaction is positive
the rate of the reaction increases with time
the activation energy of the reaction is high
the rate of the reaction increases with time
Correct answer is A
No explanation has been provided for this answer.