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.
1 only
2 only
3 only
1 and 3
2 and 4
Correct answer is D
No explanation has been provided for this answer.
Decreaseing the concentration of N
Increasing the concentration of P
Adding a suitable catalyst
Decreasing the temperature
Increasing the temperature
Correct answer is E
No explanation has been provided for this answer.
The colour imparted to a flame by calcuium ion is
green
blue
brick-red
yellow
lilac
Correct answer is C
No explanation has been provided for this answer.
P \(\alpha\) VT
P \(\alpha\) T/V
PT \(\alpha\) V
PV \(\alpha\) I/T
P \(\alpha\) V/T
Correct answer is B
No explanation has been provided for this answer.
A mixture of common salt, ammonium chloride and barium sulphate can best be separated by
addition of water followed by filtration then sublimation
addition of water followed by sublimation then filtration
sublimation followed by addition of water then filtration
fractional distillation
fractional crystallization
Correct answer is C
No explanation has been provided for this answer.