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Chemistry UTME / JAMB 2016 Organic Chemistry II: Functional Groups, Polymers & Biomolecules
The compounds CH3CH2CHO and CH3COCH3 can be distinguished from each other using
A
Dilute ammonia
B
Benedict's solution
C
Tollen's reagent
D
Sodium hydroxide solution
medium Difficulty
Chemistry UTME / JAMB 2016 Organic Chemistry I: Hydrocarbons & Crude Oil
Which of the following statements is true about 2-methylpropane and butane
A
They have different number of carbon atoms
B
They are members of same homologous series
C
They have the same boiling points
D
They have different chemical properties
medium Difficulty
Chemistry UTME / JAMB 2016 Stoichiometry, Mole Concept & Volumetric Analysis
The process that requires the use of hardwater in its operation is
A
Tanning
B
Bottling
C
Laundry
D
Dyeing
medium Difficulty
Chemistry UTME / JAMB 2016 Stoichiometry, Mole Concept & Volumetric Analysis
What is the concentration of a solution containing 2g of NaOH in 100cm3 of solution? [Na=23, O=16, H=1]
A
0.05 moldm-3
B
0.30 moldm-3
C
0.50 moldm-3
D
0.40 moldm-3
medium Difficulty
Chemistry UTME / JAMB 2016 Stoichiometry, Mole Concept & Volumetric Analysis
The radioisotope used in industrial radiography for the rapid checking of faults in welds and casting is
A
Phosphorus-32
B
Cobalt-60
C
Carbon-14
D
Iodine-131
medium Difficulty
Chemistry UTME / JAMB 2016 Stoichiometry, Mole Concept & Volumetric Analysis
The compound produced when sodium peroxide is heated with excess sodium is
A
Na2CO3
B
Na2O
C
NaNO2
D
NaOH
medium Difficulty
Chemistry UTME / JAMB 2016 Air & Environmental Chemistry
The pollutant that contributes to the depletion of the ozone layer is
A
CFCs
B
NO2
C
SO2
D
CO
medium Difficulty
Chemistry UTME / JAMB 2016 Stoichiometry, Mole Concept & Volumetric Analysis
Which of the following properties is not peculiar to matter?
A
Kinetic energy of particles increases from solid to gas
B
Random motion of particles increases from gas to solid
C
Orderliness of particles increases from gas to liquid
D
Random motion of particles increases from liquid to gas
medium Difficulty
Chemistry UTME / JAMB 2016 Metals, Transition Elements & Extraction
Cast iron is used in making
A
Chains and agricultural implements
B
Iron sheets and retort stand
C
Nails and iron rods
D
Stoves and cookers
medium Difficulty
Chemistry UTME / JAMB 2016 Organic Chemistry I: Hydrocarbons & Crude Oil
Which of the following compounds is used as a gaseous fuel?
A
CH3 -CH2 -CHO2 -COOH
B
CH3 -C = CH
C
CH3 -CH2 -CH2 -CH3
D
CH2 -CH2 -CH3
medium Difficulty
Chemistry UTME / JAMB 2016 Oxidation, Reduction & Redox Reactions
The products formed when primary Alkanols are oxidized using acidified potassium tetraoxomanganate (VII) are what?
A
CH3CH2CHO and H2O
B
CH3CHO and CO2
C
CH3CH2COOH and H2
D
CH3COOH and CO2
medium Difficulty
Chemistry UTME / JAMB 2016 Stoichiometry, Mole Concept & Volumetric Analysis
Alkanols have the general molecular formula
A
CnH2n-2
B
CnH2n+1CHO
C
CnH2n-2OH
D
CnH2n+1OH
medium Difficulty
Chemistry UTME / JAMB 2016 Acids, Bases, pH & Salts
Which of the following is not an alkali?
A
Ca(OH)2
B
NH3
C
NaOH
D
Al(OH)3
medium Difficulty
Chemistry UTME / JAMB 2016 Periodic Table & Periodicity
Which of the following statements is correct about the periodic table?
A
Elements in the same group have the same number of electron shells
B
The non-metallic properties of the elements tend to decrease across each period
C
Elements in the same period have the same number of valence electrons
D
The valence electrons of the elements increase progressively across the period
medium Difficulty
Chemistry UTME / JAMB 2016 Stoichiometry, Mole Concept & Volumetric Analysis
The metal whose ore can be concentrated by passing it through a magnetic separator is
A
Zn
B
Sn
C
Cu
D
Ca
medium Difficulty
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