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.
Use the diagram to answer this question. The gas that can be used to demonstrate the experiment is
hydrogen chloride
hydrogen sulphide
nitrogen(ll) oxide
dinitrogen (l) oxide
Correct answer is A
Hydrogen chloride; main reason for using it to demonstrate fountain experiment because of its high solubility in water.
A
B
C
D
Correct answer is B
No explanation has been provided for this answer.
2-methylbut-2-ene has the structure
A
B
C
D
Correct answer is D
No explanation has been provided for this answer.
The oxidation of the compound above produces
2-butanone
2-butanal
3-butanal
3-butanone
Correct answer is A
No explanation has been provided for this answer.
In the diagram above, mixture Y is
NH4NO3(s) + CaSO4(s),/sub>
NH4CL(s) + NaNO2(s)
NH4NO2(s) + Na2SO4(s)
NH4CL(s) + Ca(OH)2(s)
Correct answer is D
No explanation has been provided for this answer.