A beneficial effect of bush burning on the soil is the
Reduction of soil microbial activities
Exposure of soil surface to erosion
Destruction of weed seeds
Improves soil water holding capacity
Correct answer is C
No explanation has been provided for this answer.
ZnCl2(aq)
Pb(NO3)2(aq)
CuSO4(aq)
FeSO4(aq)
Correct answer is A
No explanation has been provided for this answer.
The indicator used in neutralizing CH3COOH and NaOH solution has pH range of
3-5
7-8
8-103
10-12
Correct answer is C
No explanation has been provided for this answer.
Conductivity measurement
Measurement of pH
Measurement of heat of neutralization
Action on starch iodide paper
Correct answer is D
No explanation has been provided for this answer.
The purpose of the part labelled I in the experiment illustrated above is to
Allow proper aggregation of soil particles
Allow even evaporation of water
Prevent water from escaping
Distribute water around the soil
Correct answer is B
No explanation has been provided for this answer.
WAEC Subjects
Aptitude Tests