Question Library
Browse, filter, and study verified past examination questions with step-by-step mathematical reasoning.
Showing 1–8 of 8 verified questions
Sort by:
Chemistry
UTME / JAMB 2022
Particulate Nature of Matter
Solution
The sub-atomic particles located in the nucleus of an atom are?
A
neutron and proton
B
proton and electron
C
proton and ions
D
neutron and electron
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2022
Particulate Nature of Matter
Solution
How many neutrons are present in atom with mass number and atomic number 37 and 17 respectively?
A
18
B
20
C
37
D
17
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2022
Particulate Nature of Matter
Solution
GAS
CO\(_2\)
N\(_2\)
O\(_2\)
% BY VOLUME
4
72
24
The above table shows the compositions of the atmosphere of planet X. Which of these gases are present in higher percentages on earth?
A
CO\(_2\) and O\(_2\)
B
N\(_2\) and CO\(_2\)
C
CO\(_2\), O\(_2\) and N\(_2\)
D
O\(_2\) and N\(_2\)
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2010
Particulate Nature of Matter
Solution
Calculate the percentage by mass of nitrogen in calcium trioxonitrate (V)
[Ca = 40, N = 14, O = 16]
A
8.5%
B
13.1%
C
17.1%
D
27.6%
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2010
Particulate Nature of Matter
The IUPAC nomenclature of the compound LiAlH4 is?
A
lithiumtetrahydridoaluminate (III)
B
aluminium tetrahydrido lithium
C
tetrahydrido lithium aluminate (III)
D
lithium aluminium hydride
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 2004
Particulate Nature of Matter
Solution
It is difficult to achieve an orderly arrangement of the molecules of a gas because they?
A
have no definite shape
B
have little force of attraction between them
C
can collide with one another in the container
D
are too small in size
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 1998
Particulate Nature of Matter
Solution
A solid begins to melt when?
A
constituent particles acquires a greater kinetic energy
B
energy of vibration of particles of the solid is less than the intermolecular forces
C
constituent particles acquires energy above the average kinetic energy
D
energy of vibration of particles of the solid equals the intermolecular forces
medium Difficulty
Study Explanation
Chemistry
UTME / JAMB 1982
Particulate Nature of Matter
Solution
An element X has two isotopes, \(^{20} _{10}X\) and \(^{22} _{10}X\),
present in the ratio 1:3. The relative atomic mass of X would be?
A
20.5
B
21.0
C
21.5
D
22.0
E
22.5
medium Difficulty
Study Explanation