What is the number of oxygen atoms in 32g of the gas? (O = 16, L = 6.0 X 10\(^{23}\) mol\(^{-1}\))
3.2 X 10 23
6.0 X 1023
1.2 X 1024
1.6 X 1024
2.0 X 1024
Correct answer is B
Oxygen is Diatomic
: 1 mole of oxygen contains 2 ATOMS
→ 2 X 16g = 32g
32g of the gas = 6.0 X 10\(^{23}\) mol\(^{-1}\)
The role of science and technology in the development of agriculture includes the following except
Provision of insecticides and drugs
Provision of good road network
Introduction of artificial insemination centres
Setting up produce marketing boards
Correct answer is D
No explanation has been provided for this answer.
Have a programme on agricultural education
Endeavour to produce only disease resistant species
Have and enforce quarantine services
Increase surveillance of its borders by security agents
Correct answer is C
No explanation has been provided for this answer.
Government laws and reforms are aimed at
Increasing agricultural production
Controlling farm profits
Discouraging investment in agriculture
Encouraging importation of agricultural produce
Correct answer is A
No explanation has been provided for this answer.
The formula (CH3),3 COH is that of a
polyhdric alkanol
secondary alkanol
tertiary alkanol
primary alkanol
trihydric alkanol
Correct answer is C
No explanation has been provided for this answer.