2010 - JAMB Chemistry Past Questions and Answers - page 4
31
Which of the following is used in rocket fuels?
A
HNO3
B
CH3COOH
C
H2SO4
D
HCl
correct option: a
Users' Answers & Comments32
A constituent common to bronze and solder is
A
lead
B
silver
C
copper
D
tin
correct option: d
Users' Answers & Comments33
When iron is exposed to moist air, it gradually rusts. This is due to the formation of
A
hydrate iron (III) oxide
B
anhydrous iron (III) oxide
C
anhydrous iron (II) oxide
D
hydrate iron (II) oxide
correct option: a
Users' Answers & Comments34
A compound gives an orange-red colour to non-luminous flame. This compound is likely to contain
A
Na+
B
Ca2+
C
Fe3+
D
Fe2+
correct option: b
Users' Answers & Comments35
Stainless steel is used for making
A
magnets
B
tools
C
coins and medals
D
moving parts of clocks
correct option: b
Users' Answers & Comments36
The residual solids from the fractional distillation of petroleum are used as
A
coatings of pipes
B
raw materials for the cracking process
C
fuel for the driving tractors
D
fuel for jet engines
correct option: a
Users' Answers & Comments37
A
4 - ethyloctane
B
5 - ethyloctane
C
5 - propylheptane
D
3 - propylheptane
correct option: d
Users' Answers & Comments38
Which of the following is used as fuel in miners' lamp?
A
Ethanal
B
Ethyne
C
Ethene
D
Ethane
correct option: b
Users' Answers & Comments39
Which of the following organic compounds is very soluble in water?
A
CH3COOH
B
C2H2
C
C2H4
D
CH3COOC2H5
correct option: a
Users' Answers & Comments40
Benzene reacts with hydrogen in the presence of nickel catalyst at 180oC to give
A
xylene
B
toluene
C
cyclopentane
D
cyclohexane
correct option: d
Users' Answers & Comments