| 1 |
In which block of periodic table non metals are present. |
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| 2 |
The oxides of metal sare generally |
- A. Acidic
- B. Basic
- C. Neutral
- D. Amphoteric
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| 3 |
Which of the following element has lowest ionization energy |
- A. Beryllium
- B. Boron
- C. Carbon
- D. Oxygen
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| 4 |
In a period, from left to right in the periodic table, the size of atom generally. |
- A. Increases
- B. decreases
- C. Remains constant
- D. First increase upto the middle of period and then decreases
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| 5 |
Elements of Groups IIA are called |
- A. Alkali metals
- B. Alkaline earth metals
- C. Coinage metals
- D. Halogens
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| 6 |
Majority of the elements of the periodic table are. |
- A. Semi metals
- B. Non metals
- C. Metals
- D. Noble metals
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| 7 |
Which is the longest periodic table |
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| 8 |
Which property of hydrogen not resemble to alkali metals. |
- A. Electronic configuration
- B. Oxidation state
- C. Reaction with halogen
- D. Metallic nature
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| 9 |
Who gave the law of Triads in 1829? |
- A. Dobereiner
- B. Mosely
- C. Newland
- D. Mendeleev
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| 10 |
Ionization energy of calcium is. |
- A. Lower than that of barium
- B. Lower than that of magnesium
- C. Higher than that of beryllium
- D. Lower than that of strontium
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