| 1 |
Gold was used for utensils as early as ____________ BC. |
- A. 3400
- B. 3500
- C. 3600
- D. 3700
|
| 2 |
Which of the following is less malleable?<br> |
- A. Sodium<br>
- B. Iron<br>
- C. Gold <br>
- D. Sliver <br>
|
| 3 |
The core of the earth is ____________ than crust. |
- A. LIghter
- B. Heavier
- C. Both
- D. Nil
|
| 4 |
The core of the earth is mostly made from ____________ |
- A. Nickel
- B. Iron
- C. A % B
- D. Copper
|
| 5 |
Which one of the following is brittle?<br> |
- A. Sodium<br>
- B. Aluminum <br>
- C. Selenium<br>
- D. Magnesium <br>
|
| 6 |
The colour of calcium metal flame is |
- A. Golden yellow
- B. Brilliant white
- C. Brick red
- D. Light green
|
| 7 |
Halogens with metals for |
- A. Ionic bond
- B. Covalent bond
- C. Dative covalent bond
- D. Metallic bond
|
| 8 |
Which one is the following belongs no Noble Gases? |
|
| 9 |
Which one is moderate reactive metal? |
|
| 10 |
Metal oxides are |
- A. Amphoteric
- B. Basic
- C. Acidic
- D. Neutral
|
