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Question 1 Chemistry 2014 | JAMB/UTME (2014)
A
the properties of a compound are those of its individual constituents while those of a mixture differ from its constituents 
B
a mixture is always homogeneous while a compound is not 
C
the constituent of a compound are chemically bound together while those of a mixture are not 
D
a mixture can be represented by a chemical formula while a compound cannot 
Explanation.
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No official Explanation yet!


Correct Option:
C
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Question 3 Chemistry 2014 | JAMB/UTME (2014)
A
128 
B
C
16 
D
64 
Explanation.
Share Answer \(\frac{RY}{RX}\) = \(\frac{\sqrt{My}}{\sqrt{My}}\) 1/2 = \(\frac{\sqrt{32}}{\sqrt{y}}\) \(\frac{32}{y}\) = 1/4
Y = \(\frac{32x4}{1}\) = 128

Correct Option:
A
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Question 4 Chemistry 2014 | JAMB/UTME (2014)
A
342.53 mmHg 
B
1430.54 mmHg 
C
467.11 mmHg 
D
400.00 mmHg 
Explanation.
Share Answer \(\frac{p 1V 1}T 1\) = \(\frac{P 2V 2}{T 2}\) \(\frac{700x200}{298}\) = \(\frac{P2X 350}{348}\) P2 = \(\frac{700x200x348}{298x350}\) = 467.11mmHg

Correct Option:
C
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Question 5 Chemistry 2014 | JAMB/UTME (2014)
A
lt has a completely filled p-orbital 
B
lt has 5 electrons in its outermost shell. 
C
lt belongs to group ll on the periodic table 
D
lt is a halogen 
Explanation.
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Correct Option:
D
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Question 6 Chemistry 2014 | JAMB/UTME (2014)
A
are both metals 
B
belong to the same group 
C
belong to the same period 
D
are positioned diagonally to each other 
Explanation.
Share Answer At the beginning of periods 2 and 3 of the Periodic Table, there are several cases where an element at the top of one group has some similarities with an element in the next group.
For example, boron is a non-metal with some properties rather like silicon. Unlike the rest of Group 2, beryllium has some properties resembling aluminium. And lithium has some properties which differ from the other elements in Group 1, and in some ways resembles magnesium.

There is said to be a diagonal relationship between these elements.

There are several reasons for this, but each depends on the way atomic properties like electronegativity vary around the Periodic Table.

Correct Option:
D
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Question 7 Chemistry 2014 | JAMB/UTME (2014)
A
metallic 
B
covalent 
C
co-ordinate 
D
ionic 
Explanation.
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Correct Option:
D
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Question 8 Chemistry 2014 | JAMB/UTME (2014)
A
27, 33 and 33 
B
33, 27 and 27 
C
27, 33, and 27 
D
60, 33 and 60 
Explanation.
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Correct Option:
C
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Question 9 Chemistry 2014 | JAMB/UTME (2014)
A
\(\gamma\)- rays 
B
\(\alpha\)- particles 
C
X-rays 
D
\(\beta\) - particles 
Explanation.
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Correct Option:
C
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Question 10 Chemistry 2014 | JAMB/UTME (2014)
A
14 
B
29 
C
28.11 
D
28 
Explanation.
Share Answer (\(\frac{92}{100}\) x 28) + (\(\frac{5}{100}\) x 29) + (\(\frac{3}{100}\) x 230) = 28.11

Correct Option:
C
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