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Chemistry
UTME / JAMB 2022
Transition Metals and Their Compounds
Solution
Using the metal activity series, the metal that can liberate hydrogen gas from steam is?
A
iron
B
copper
C
tin
D
lead
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2022
Transition Metals and Their Compounds
Solution
Zn + 2HCL → ZnCl\(_2\) + H\(_2\)
What happens to zinc in the above reaction?
A
oxidized
B
a reactant
C
reduced
D
a metal
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2022
Transition Metals and Their Compounds
Solution
Wrought iron is obtained by heating cast iron in a furnace with?
A
magnetite
B
haematite
C
carbon(ii)oxide
D
calcium trioxosilicate(iv)
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2022
Transition Metals and Their Compounds
Solution
In the extraction of iron, hot air is introduced into the blast furnace through?
A
valves
B
open-hearths
C
arcs
D
tuyeres
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2021
Transition Metals and Their Compounds
Solution
What is the chemical name for the compound CuCO\(_{3}\)?
A
Copper (iii) carbonate
B
Copper (ii) carbonate
C
Copper (i) carbonate
D
Copper
medium Difficulty
Study Explanation
Chemistry
WAEC / WASSCE 2014
Transition Metals and Their Compounds
Solution
The electron configuration of \(_{26}Fe^{3+}\) is?
A
[Ar]4s23d6
B
[AR]4s23d3
C
[AR]4s13d4
D
[AR]4s03d5
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2010
Transition Metals and Their Compounds
Solution
A constituent common to bronze and solder is?
A
lead
B
silver
C
copper
D
tin
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2010
Transition Metals and Their Compounds
Solution
Stainless steel is used for making?
A
magnets
B
tools
C
coins and medals
D
moving parts of clocks
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2009
Transition Metals and Their Compounds
Solution
Copper metal dissolves in concentrated trioxonitrate (V) acid with the resultant evolution of?
A
CO2
B
SO2
C
NO2
D
CO
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2009
Transition Metals and Their Compounds
Solution
The type of iron that is best suited for welding, making nails, chains and iron rods is?
A
pig iron
B
wrought iron
C
cast iron
D
iron pyrites
medium Difficulty
Study Explanation