2021 WAEC (WASSCE) Government Past Questions

Outline any five contribution of Nigeria towards the growth of Economic Community of West African States (ECOWAS)

Moji says she is better at Maths..........

1. A.as me✓ Correct
2. B.than I am
3. C.as I am
4. D.with me

The diagram above represents the export of rice in Kilogrammes from Country X between 2007 and 2010. In which year did Country X have the highest production of rice?

1. A.2007
2. B.2008
3. C.2009
4. D.2010✓ Correct

Which of the following are characteristics of most large cities? They I. have large populations II. are administrative centers III. are religious centers IV. are commercial centers

1. A.I and III only
2. B.I and IV only✓ Correct
3. C.II and III only
4. D.II and IV only

The valence electrons in a chloride ion are [17CI]

1. A.2p electrons only
2. B.3s and 3p electrons only
3. C.3p and 3d electrons only✓ Correct
4. D.3p electrons only

From the words lettered A to D below each of the following sentences, choose the word or group of words as it is used in the sentence It's always better to buy durable products

1. A.authentic
2. B.expensive
3. C.permanent
4. D.lasting

The separation of a mixture of calcium trioxocarbonate (lV) and sodium trioxocarbonate (IV) is most easily carried out by using the differences in their

1. A.physical states
2. B.melting points
3. C.Rf. values✓ Correct
4. D.solubility
5. E.boiling points

The testes in male mammals descend into the scrotal sac because

1. A.there is congestion in the lower abdomen
2. B.they run the risk of being destroyed✓ Correct
3. C.they need special support
4. D.they require a relatively low temperature

Each interior angle of a regular polygon is 108°. How many sides has it?

1. A.5
2. B.7
3. C.9✓ Correct
4. D.14

If a catalyst is added to a system, the temperature and the pressure remain constant, there would be no effect on the?

1. A.activation energy of the reaction✓ Correct
2. B.rate of the reaction
3. C.rate of the reverse reaction
4. D.heat of reaction