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Chemistry
UTME / JAMB 2021
Metals and Their Compounds
Solution
Which of the following is a form of calcium carbonate?
I. limestone
II. marble
III. chalk
Iv. egg-shells
A
I only
B
I, II and IV
C
I and II only
D
I, II, III, and IV
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2021
Metals and Their Compounds
Solution
The only metal that is anti-bacterial is?
A
Iron
B
Sodium
C
Alluminium
D
Copper
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2021
Metals and Their Compounds
Solution
The process or act of extracting a metal from its ore and refining it is called?
A
Extraction
B
Metal mining
C
Mettallurgy
D
Prospecting
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2017
Metals and Their Compounds
Solution
Tin is unaffected by air at ordinary temperature due to its?
A
Low melting point
B
Weak electropositive character
C
High boiling point
D
White lustrous appearance
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2009
Metals and Their Compounds
Solution
which of the following metals will show the highest metallic character?
A
Zinc
B
Copper
C
Barium
D
Calcium
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2000
Metals and Their Compounds
Solution
The least easily oxidized of the metals below is?
A
Ca
B
Na
C
Zn
D
Al
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 1994
Metals and Their Compounds
Diagram
Solution
2HCL(ag) + CaCO3(ag) → CaCL2(ag) + H2O(1) + CO from the reaction above, which of the following curves represents the consumption of calcium trioxocarbonate (IV) as dilute HCL is added to it?
A
L
B
M
C
N
D
P
medium Difficulty
Study Explanation