| 1 |
The total number of transition element is |
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| 2 |
The transition elements which are present in 4th period of periodic table have atomic number. |
- A. <div>22 to 30</div>
- B. 21 to 30
- C. 21 to 29
- D. 21 to 31
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| 3 |
The variation pattern in ionic radii of first transition series shows |
- A. A regular increase
- B. A regulars decrease
- C. No regular pattern
- D. A regular decrease and than alight increase
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| 4 |
Mild steel contains carbon percentage |
- A. 0.1 - 0.2%
- B. 0.3 - 0.7%
- C. 0.7 - 1.5%
- D. 1.6 - 2.0%
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| 5 |
Typical transition element is |
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| 6 |
Which of the following is a typical transition metal. |
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| 7 |
Group VI B of transition elements contains. |
- A. Zn, Cd, Hg
- B. Fe, Ru,Os
- C. Cr, Mo, W
- D. Mn, Te, Re
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| 8 |
Total number of d-block elements are |
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| 9 |
Which one of the following elements commonly exhibits oxidation states of +6 and +3 in aqueous solution. |
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| 10 |
The substance which is added to remove impurities is known as |
- A. Slag
- B. Flux
- C. Ore
- D. Gangue
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