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Science 8th Class English Medium Chapter 5 Online Test MCQs With Answers
Question # 1
A metal
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C
Ne
Cu
C
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Question # 2
Bromine is
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Solid
Gas
Liquid
All of these
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Question # 3
An atom containing two electrons.
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Be
Li
H
He
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Question # 4
An element of the third period is the periodic table.
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Li
He
P
H
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Question # 5
Metals are found in.................. state at room temperatures.
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Gas
Solid
Liquid
None of these
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Question # 6
Mg belong to the period of the Periodic Table.
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1st
2nd
3rd
4th
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Question # 7
Na is symbol of.
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Neon
Nitrogen
Sodium
None of these
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Question # 8
Metals have .......... melting and boiling point.
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Low
High
Very low
Normal
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Question # 9
4th Period is periodic table is called.
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Short period
Normal period
Long period
Very long period
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Question # 10
Mass number of oxygen is
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6
16
26
36
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Question # 11
6th period in periodic table contains elements.
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2
8
16
32
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Question # 12
Elements of group 17 are called.
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Carbon family
Noble gases
Nitrogen family
Halogen family
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Question # 13
Mass number is number of.
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Protons
Neutrons
Both a and b
Electrons
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Question # 14
Allowy is ......... forms of metals mixed together.
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Solid
Gas
Normal
Molten
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Question # 15
An element of group 17 of the Periodic Table.
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Cl
Ar
S
Si
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Question # 16
How many periods are there in the Periodic Table.
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Five
Six
Seven
Eight
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Question # 17
Ne belongs to
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Nitrogen family
Fluorine family
Noble gases
Alkaline earth metals
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