Learn more about the properties, composition, and structure of substances (elements and compounds) with these Chemistry questions and answers. This Test can be used by students preparing for Chemistry in JAMB, WAEC, NECO or Post UTME.
CO2- 3
NO- 3
SO2- 4
SO2- 3
Correct answer is C
No explanation has been provided for this answer.
A hydrocarbon containing 88.9% carbon has the empirical formula [H = 1 C = 12]
CH
CH2
C2H3
C2H5
Correct answer is B
No explanation has been provided for this answer.
I < II < IV < III
IV < III < II < I
I < II < III < IV
IV < I < II< III
Correct answer is D
| Ethanol | 78°C |
| Propanol | 97°C |
| Butanol | 118°C |
| Pentane | 36.1°C |
Hence, the arrangement is IV, I, II, III.
What is the main type of reaction alkenes undergo?
Addition
Condensation
Elimination
Substitution
Correct answer is A
No explanation has been provided for this answer.
The hydrolysis of groundnut oil by potassium hydroxide is known as
hydrogenation
saponification
esteriffication
neutralization
Correct answer is B
No explanation has been provided for this answer.