2022 WAEC (WASSCE) English Language Past Questions

A major difference between disc harrow and a disc plough is that

1. A.A. disc plough has more discs than disc harrow
2. B.B. discs in disc plough are spaced far apart than in disc harrow.✓ Correct
3. C.C. disc plough has two pairs of gangs while disc harrow has one pair of gangs
4. D.D. disc plough has smaller discs than disc harrow.

A motor of a corn mill machine operates on electrical energy of $1.44 \times 10^{5}$J. If one-quarter of the energy is wasted on sound and heat, determine the efficiency of the machine.

1. A.25%
2. B.36%
3. C.64%✓ Correct
4. D.75%

Which of the following elements would displace copper from a solution of copper ions?

1. A.silver
2. B.gold
3. C.lead✓ Correct
4. D.mercury

The colour of phenolphthalein indicator in alkaline solution at the end-point of an acid-base titration is?

1. A.colourless
2. B.orange
3. C.pink✓ Correct
4. D.yellow

Consider the following reaction equation: $2HCl + Ca(OH)_{2} \to CaCl_{2} + H_{2}O$. What is the volume of 0.1$moldm^{-3}$ HCl that would completely neutralize 25$cm^{3}$ of 0.3$moldm^{-3}$ Ca(OH)$_{2}$?

1. A.150$cm^{3}$
2. B.75$cm^{3}$✓ Correct
3. C.30$cm^{3}$
4. D.25$cm^{3}$

Which of the following pairs of landforms are of desert origin

1. A.yardangs and batholiths✓ Correct
2. B.sandbars and tombolos
3. C.zeugens and inselbergs
4. D.barchans and tombolos

The gas produced when a mixture of sodium propanoate and soda lime is heated is

1. A.methane✓ Correct
2. B.pentane
3. C.ethane
4. D.butene
5. E.ethyne

Two forces 3N and 4N act on a body in directions due north and due east respectively. Calculate their equilibrant

1. A.5N 53° east of North
2. B.5N 53° west of the south
3. C.5N 37° north of east
4. D.7N 37° west of North✓ Correct
5. E.7N 37° south of west

From the words or group of words labelled A to D, choose the one that best completes each of the following sentences. He comes here...........often.

1. A.much✓ Correct
2. B.ever
3. C.quite
4. D.rarely

As the end Q of the plank is raised, the component of W, normal to plank, will

1. A.increase
2. B.decrease
3. C.remain the same
4. D.be slightly greater than W✓ Correct
5. E.be independent of w