2001
In which of the reactions represented by the following equations is HNO3 behaving as a typical acid?
See more
2001 WAEC SSCE Chemistry Past Questions
Ulearngo is an independent study app. It is not affiliated with, endorsed by, or representing West African Examinations Council (WAEC). Always confirm official exam, admission, registration, syllabus, timetable, and result information from WAEC official website, WAEC Nigeria.
2001
Which of the following would dissolve in warm dilute H2SO4 without effervescence, to give a blue solution?
See more
2001
A mixture of calcium chloride and calcium trioxocarbonate (IV) in water can be separated by
See more
2001
Which of the following pairs of reagents reat to produce hydrogen?
See more
2001
What is the oxidation number of nitrogen in Al(NO3)3?
See more
2001
A reaction is represented by the equation below. A2(g) + B2(g) 2AB(g); ∆H = +X kJmol-1 Which of the following statements about the system is correct?
See more
2001
Consider the following equation: Ag+(aq) + Cl-(aq) → AgCl(s); ΔH = -65.7 kJ mol-1. From the equation, it can be deduced that
See more
2001
What does ∆H represent in the following equation ? Cl(g) + e- → Cl- (g); ∆H = - 363 kJ mol-1
See more
2001
It can be concluded that gastric juice
See more
2001
In the electrolysis of CuSO4(aq) using copper electrodes, the reaction at the anode is
See more
2001
Given that the order of reactivity of four metals is P>Q>R>S, which of the following reactions is feasible?
See more
2001
Which of the following substances decomposes when an electric current is passed through it?
See more
2001
What is oxidized in the reaction represented by the following equation? 3CU + 8HNO3 → 3Cu(NO3)2 + 2NO + 4H2O
See more
2001
Which of the following polymers contains nitrogen?
See more
2001
One of the products of combustion of pentane in excess air is
See more
2001
Benzene produces more soot than ethene on burning because benzene
See more
2001
Hydrogenation of butene yields
See more
2001
A feasible cell was constructed by joining the two half cells below. Cu2+(aq) + 2e- → Cu(s) Eo = - 0.76 V. What is the standard e.m.f. of the cell?
See more
2001
Which of the following reactions represents the change that occurs when a photographic film is exposed to sunlight?
See more
2001
If 10 cm 3 of distilled water is added to 10 cm3 of an aqueous salt solution, the concentration of the solution
See more