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the Short question of 9th class English medium of chemistry subjects chapter 4 is available on our website ilmkidunya.pk, we always try to facilitate students so that why we are giving you a chance to download the short question. Student always wants the best material for study. For which student have to suffer allot but now the get best shot question from our web site easily
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9th Class Chemistry Chapter 4 Online Preparation
9th Class English Medium Subjects
9th Class Urdu Medium Subjects
Online Short Questions For Chapter 4 "9th Class Chemistry English Medium Chapter 4 Preparation "
Try The Short Questions For 9th Class Chemistry English Medium Chapter 4 Preparation
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Total Questions10
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Available Sets4
Chemistry (New Book) - 9th Class Chemistry English Medium Chapter 4 Preparation
Question # 1
What types of electron pairs make a molecule good donor?
- Ans 1: The Ionic pair of electron make a molecule good donor
9th Class Chemistry English Medium Chapter 4 Preparation - Set 1
Question # 1
What types of electron pairs make a molecule good donor?
- Ans 1: The Ionic pair of electron make a molecule good donor
9th Class Chemistry English Medium Chapter 4 Preparation - Set 2
Question # 1
Why a chemicalbond is formed
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Ans 1: Chemical bonds may be formed by
complete transfer of electrons; mutual sharing or by donation from an atom.
9th Class Chemistry English Medium Chapter 4 Preparation - Set 3
Question # 1
Why noble gases are non-reactive?
- Ans 1: The noble gases do have 2 or 8 electrons in their valence shells. It means all the noble gases have their valence shells completely filled . Their atoms do not have vacant space in their valence shell to accommodate extra electrons. therefore noble gases do not gain, lose or share electrons. That's why they aare non-reactive.
9th Class Chemistry English Medium Chapter 4 Preparation - Set 4
Question # 1
Difference between Duplet rule and Octet rule?
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Ans 1:
Duplet rule:Attaining two electrons in thevalance shellis called duplet rule. -
Ans 2:
Octat rule:Attaining eight electrons in thevalance shellis called octat rule
9th class Chemistry Chapter 4 Preparation
Here you can prepare 9th chemistry chapter 4 online Short Questions Preparation (Unit 4 Structure of Molecules). Click the button for 100% free full practice test.
