| 1 |
Negatively charged atom or grop of atoms is called. |
- A. Proton
- B. Electron
- C. Anion
- D. Cation
|
| 2 |
Chemical bond is O2 is. |
- A. Ionic
- B. Covalent
- C. Metalic
- D. None of these
|
| 3 |
A molecule consists of two or more |
- A. Compounds
- B. Atoms
- C. Formulae
- D. Element
|
| 4 |
An atm with stable elecrronic configuration can exist. |
- A. Reacts readily
- B. Can not exist
- C. Independently
- D. Combined form
|
| 5 |
Chemical bond between N2 Molecule is |
- A. Ionic
- B. Single covalent
- C. Double covalent
- D. Triple vocalent
|
| 6 |
Chemical bond teh forms between metallic and non-metallic atoms. |
- A. Covalent
- B. Ionic
- C. Metalic
- D. None of these
|
| 7 |
Outermost shell of sodium atom has ...... electrons. |
|
| 8 |
When water molecule gain a proton it form |
- A. H+
- B. OH-
- C. H3O
- D. <blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;">H2O</blockquote>
|
| 9 |
Which of the following is an anion. |
|
| 10 |
Chemical formula of Sulphuric Acid. |
- A. HCl
- B. H2SO4
- C. HNO3
- D. CH3COOH
|