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Online Tests
Chemistry 9th Class English Medium Unit 3 Online Test MCQs With Answers
Question # 1
Malleability is the property by virtue of which a metal can be drawn into.
Choose an answer
Rods
Plates
Sheets
Wires
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Question # 2
Whcih of the following atoms obey duplet rule.
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O
2
Cl
2
H
2
Li
2
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Question # 3
During the formation of ionic bond heat is.
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Remains same
Absorbed
Released
Both a and b
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Question # 4
A bond formed by the mutual sharing an electron pair is called.
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Ionic bond
Metallic bond
Covalent bond
Coordinate covalent bond
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Question # 5
Identify the compound whcihis not soluble in water
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KBr
MgCl2
C6H6
NaCl
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Question # 6
Transfer of electron between elements result in.
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Coordinate covalent bonding
Ionic bonding
Metallic bonding
Covallent bonding
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Question # 7
Whcih types of bond is present between NH3 and BF3
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Covalend Bond
Ionic Bond
Co ordinate covalent bond
Metallic Bond
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Question # 8
Ionic compund have
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Low melting and high boiling points
Low melting and boiling point
High melting and boiling points
High meilting and low boiling points
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Question # 9
Which ionic compound has the highest melting point.
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RbCl
KCl
LiCl
NaCl
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Question # 10
How many lone pairs are present on nitogenin ammonia molecule.
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One
Two
Three
Four
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Question # 11
The compund formed by oppoite charges are known as.
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Metallic solids
Ionic compounds
Non-polar Covalent compound
None of the above
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Question # 12
Atoms react with each other because.
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they are attracted towards each other
They are short of electrons
They want to disperse
They want attain stability
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Question # 13
In metals, the hold of nucieus over the valence shell elecrons is veak due to.
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Highlectron affinity
Large sized atoms
High ionization energies
All of the above
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