1993 - JAMB Chemistry Past Questions and Answers - page 5

41
For which salt in the graph above does the solubility increase most rapidly with rise in temperature?
A
CaSO4
B
KNO3
C
NaCl
D
KCl
Ask EduPadi AI for a detailed answer

Share this question

42
Half-cell reaction. From the data above , it can be deduced that the most powerful reducing agent of the four metals is
A
Cu
B
Fe
C
Ba
D
Zn
Ask EduPadi AI for a detailed answer

Share this question

43
In the diagram above, curve X represents the energy profile for a homogeneous gaseous reaction. Which of the following conditions would produce curve Y for the same reaction?
A
Increase in temperature
B
Increase in the concentration of a reactant
C
Addition of a catalyst
D
Increase in pressure
Ask EduPadi AI for a detailed answer

Share this question

44
The two functional groups in the above compound are
A
alcohol and amine
B
acid and amine
C
aldehyde and acid
D
ketone and amine
Ask EduPadi AI for a detailed answer

Share this question

45
The IUPAC nomenclature for the compound above is
A
dimethlhexane
B
3,5 dimethylhexane
C
1.1 dmethyl, 3 methylpentane
D
2.4 dimethylhexane
Ask EduPadi AI for a detailed answer

Share this question

46
The function of the copper (ll)tetraoxosulphate (IV) in dilute H2SO4 in the figure above is to
A
dry the gas
B
absorb phosphine impurity
C
absorb ethene impurity
D
from an acetylide with ethyne
Ask EduPadi AI for a detailed answer

Share this question

47
The dissolution of common salt in water is a physical change because
A
the salt can be obtained by crystallization
B
the salt can be recovered by the evaporation of water
C
heat is not generated during mixing
D
the solution will not boil at 100oC
Ask EduPadi AI for a detailed answer

Share this question

48
At 25oC and 1atm, a gas occupies a volume of 1.50dm3. What volume will it occupy at 100oC and 1atm?
A
1.88 dm3
B
6.00 dm3
C
18.80 dm3
D
18.80 dm3
Ask EduPadi AI for a detailed answer

Share this question

49
The fraction of crude oil used as jet fuel is
A
refinery gas
B
diesel oil
C
kerosine
D
gasoline
Ask EduPadi AI for a detailed answer

Share this question

Share this page

Learn real coding skills with Arinze Anakor — join him at zestmade.com and connect with him on X (formerly Twitter) for hands-on coding classes and practical learning.

Courses

SS1SS2SS3JAMBWAECJSS1JSS2JSS3

Featured Posts

137 Best Happy New Week Wishes, Messages & PrayersJAMB Past Questions & Answers PDF (FREE downloads, all subjects)127 Heartfelt Good Morning Love Messages for Her to Brighten Her DayThe Life Changer 130 Possible Questions And AnswersTop 10 Best Commercial Courses to Study in Nigeria for High Paying JobsSS1 Physics Scheme of Work (1st, 2nd, 3rd term)10 Reasons Doctors Are Better Than Teachers - Argumentative EssayJUPEB – Everything You Need to Know About JUPEB ProgrammeReasons Teachers Are Better Than Doctors - ArgumentativeHistory And Origin Of Cultism In Nigeria (Latest Update)