Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Chemistry>Chapter 7 - Chemical Bonding>Practice Exercise>Q 4

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Two elements gallium and oxygen combine to form a compound ${Ga}_{2} O_{3} .$ Which among the following is the valency of gallium?

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Important Questions on Chemical Bonding

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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Chemistry>Chapter 7 - Chemical Bonding>Practice Exercise>Q 5

The formation of a chemical bond is accompanied by-

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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Chemistry>Chapter 7 - Chemical Bonding>Practice Exercise>Q 6

An electrovalent compound does not show isomerism due to-

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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Chemistry>Chapter 7 - Chemical Bonding>Practice Exercise>Q 7

Elements whose electronegativities are $1.2$ and $3.0$ , bond formed between them would be:

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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Chemistry>Chapter 7 - Chemical Bonding>Practice Exercise>Q 8

Ionic bond formation is-

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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Chemistry>Chapter 7 - Chemical Bonding>Practice Exercise>Q 9

Many ionic crystals dissolve in water because-

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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Chemistry>Chapter 7 - Chemical Bonding>Practice Exercise>Q 10

Which one of the following has high melting and boiling points?

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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Chemistry>Chapter 7 - Chemical Bonding>Practice Exercise>Q 11

Which one of the following has a giant covalent structure?

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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Chemistry>Chapter 7 - Chemical Bonding>Practice Exercise>Q 12

Which one of the following is a covalent molecule?