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.
During the extraction of iron in the blast furnance, slag is produced using
carbon
carbon
limestone
oxygen
sulphur
Correct answer is C
No explanation has been provided for this answer.
X = - log10 H+]
What does X stand for in the expression above?
Degree of acidity
Enthalpy change
Equilibrium constant
Ionic product of water
Solubility product
Correct answer is A
No explanation has been provided for this answer.
Which of the following gases is absorbed from the air dun photosynthesis?
Carbon (II) oxide
Carbon (IV) oxide
Nitrogen
Noble gases
Oxygen
Correct answer is B
No explanation has been provided for this answer.
All the following belong to the same family EXCEPT
glycerol
nylon
perspex polyethene
polyethene
polystyrene
Correct answer is A
No explanation has been provided for this answer.