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.
1.57 moldm-3
3.14 moldm-3
6.28 moldm-3
12.56 moldm-3
Correct answer is A
Saturated solution = 3503
mass of salt Z in saturated solution = 55.5g
Number of moles of salt = 55.5101 = 0.55mole
3503 of solution contains 0.55mole
1000cm3 will contain 1000×0.55350 = 1.57mol/dm3
I and II only
II, III and IV only
I, II and III only
I, II. III and IV
Correct answer is B
All others except pressure would affect the equilibrium of the system.
The refreshing characteristic taste of fizzy drinks is due ot the presence of
Carbon(IV)oxide
Glucose
Hydrogen
Sodium Citrate
Correct answer is A
No explanation has been provided for this answer.