| 1 |
Which one of the following oxides is amphoteric in nature. |
- A. MgO
- B. Na2O
- C. SO2
- D. ZnO
|
| 2 |
Element of which group reacts with hydrogen and form ionic hydrides. |
- A. II A
- B. IV A
- C. V A
- D. VI A
|
| 3 |
Majority of the elements of the periodic table are. |
- A. Semi metals
- B. Non metals
- C. Metals
- D. Noble metals
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| 4 |
Which of the following are alkaline earth metals? |
- A. Be, Mg, Ca
- B. Li, Na, K
- C. Fe, CO, Ni
- D. B, Al, Ga
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| 5 |
The oxides of metal sare generally |
- A. Acidic
- B. Basic
- C. Neutral
- D. Amphoteric
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| 6 |
Fluorine is in group VIIA of periodic table. Its chemistry will most closely resembles that of. |
- A. Argon
- B. Boron
- C. Iodine
- D. Sulphur
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| 7 |
Which is the longest periodic table |
|
| 8 |
Number of elements in the first period of the periodic table is |
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| 9 |
Which one of the following elements burns in air to form an oxide which, when shaken with water, give a solution with a pH greater than 7. |
- A. Carbon
- B. Magnesium
- C. sulphur
- D. Hydrogen
|
| 10 |
Which one of the following is a metalloid. |
- A. sulphur
- B. Antimony
- C. Mercury
- D. Zinc
|