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Online Tests
Science 7th Class English Medium Chapter 6 Online Test MCQs With Answers
Question # 1
Chemical formula of Sulphuric Acid.
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HCl
H2SO4
HNO3
CH3COOH
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Question # 2
Chemical bond teh forms between metallic and non-metallic atoms.
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Covalent
Ionic
Metalic
None of these
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Question # 3
How many atoms orm one molecuel of chlorine.
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1
2
3
4
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Question # 4
Chemical bond between N2 Molecule is
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Ionic
Single covalent
Double covalent
Triple vocalent
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Question # 5
Negatively charged atom or grop of atoms is called.
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Proton
Electron
Anion
Cation
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Question # 6
A molecule consists of two or more
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Compounds
Atoms
Formulae
Element
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Question # 7
Which of the following has stble elecronic configuration.
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H
He
C
Li
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Question # 8
Valency of nitrogen is
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1
2
3
4
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Question # 9
When water molecule gain a proton it form
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H+
OH-
H3O
H2O
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Question # 10
An atm with stable elecrronic configuration can exist.
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Reacts readily
Can not exist
Independently
Combined form
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