| 1 |
The no. of Ion pair/pairs in ammonia molecule is / are |
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| 2 |
In double covalent bond, every atom provides |
- A. 1 electrons
- B. 2 electrons
- C. 4 electrons
- D. 6 electrons
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| 3 |
A bond formed between two non-metals is expected to be:<br> |
- A. covalent<br>
- B. ionic <br>
- C. coordinate covalent<br>
- D. metallic<br>
|
| 4 |
The no. of electrons in the valence shell of noble gases are |
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| 5 |
Atoms reacts with each other because:<br> |
- A. They are attracted to each other<br>
- B. they are short of electrons<br>
- C. they want to attain stability<br>
- D. they want to disperse<br>
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| 6 |
Transfer of electrons between atoms results in:<br> |
- A. metallic bonding<br>
- B. ionic bonding <br>
- C. covalent bonding <br>
- D. coordinate covalent bonding<br>
|
| 7 |
Which one of the following is an electron deficient molecule?<br> |
- A. HN<sub>3</sub>
- B. BF<sub>3</sub>
- C. N<sub>2</sub>
- D. O<sub>2</sub>
|
| 8 |
When an electronegative element combines electropositive element the type of bonding is<br> |
- A. covalent<br>
- B. ionic <br>
- C. polar covalent<br>
- D. coordinate covalent<br>
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| 9 |
Ionic compound are ________________ in water. |
- A. insoluble
- B. Soluble
- C. Covalent
- D. Solvent
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| 10 |
Metals are ________________ |
- A. Liquid
- B. Solid
- C. Gas
- D. Malleable
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