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TARGET PUBLICATION-S-BLOCK ELEMENTS-QUESTION
- AlCl(3) is used as a catalyst in .
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- has wide application in purification of sugar .
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- In the periodic table , the element with atomic number 38 be...
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- Electronic configuration of potassium with respect to nearest n...
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- The common oxidaton state for alkaline earth metals is
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- Fr has half life period of
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- Which of the following statements is INCORRECT ?
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- Chloride of metal Y was found to be deliquescent and on crystall...
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- Which of the following hydroxide is a weak base ?
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- Alkali metals (other than lithium ) form amides of the general...
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- Which of the following is FALSE ?
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- Alkali metal do NOT form dipositive ions because they have hig...
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- Alkali metals taenish in dry air because .
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- Above 373 K , washing soda changes to a white power called .
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- In Castner -Kellner used for preparation of sodium carbonate , ...
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- The substance used pure fats and oils is .
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- Which gas is evolved when NaHCO(3) is heated ?
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- Toughened bearings are made using alloy
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- is an excellent abdorbent of carbon dioxide .
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- the material used in photoelectric cells contains ,
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