| 1 |
Whcih of the following has double covalent bound. |
- A. Br2
- B. CO2
- C. HCl
- D. N2
|
| 2 |
Positively charged atom or grouping of atoms is called. |
- A. Anion
- B. Cation
- C. Neutron
- D. Proton
|
| 3 |
Oxygen is a |
- A. Monoalent element
- B. Divalent element
- C. Trivalent element
- D. Tertravalent element
|
| 4 |
Chemical formula of Sulphuric Acid. |
- A. HCl
- B. H2SO4
- C. HNO3
- D. CH3COOH
|
| 5 |
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>
|
| 6 |
How many atoms orm one molecuel of chlorine. |
|
| 7 |
Chemical bond teh forms between metallic and non-metallic atoms. |
- A. Covalent
- B. Ionic
- C. Metalic
- D. None of these
|
| 8 |
Which of the following is an anion. |
|
| 9 |
An atm with stable elecrronic configuration can exist. |
- A. Reacts readily
- B. Can not exist
- C. Independently
- D. Combined form
|
| 10 |
A molecule consists of two or more |
- A. Compounds
- B. Atoms
- C. Formulae
- D. Element
|
