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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-P-BLOCK ELEMENTS-Exercise
- Nitrogen is relatively inactive element because
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- Cane sugar on reaction with nitric acid gives
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- Number of electrons shared in the formation of nitrogen molecules i...
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- Water gas is produced by
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- Which of the following forces bind together carbon atoms in diamond?
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- Which is used in the laboratory for last drying of neutral gases?
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- the bleaching action of chlorine is due to
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- Pure nitrogen is prepared in the laboratory by heating a mixture of
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- PH(4)I+NaOH rarr? The product is
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- PCl(3) reacts with water to form :
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- Basicity of orthophosphoric acid is
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- P(2)O(5) is heated with water to give
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- Aqueous solution of ammonia consists of
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- Oleum is
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- Which would quickly absorb oxygen?
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- Glass is a:
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- Which of the following statement is not correct for nitrogen ?
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- Bleaching powder reacts with a few drops of conc.HCl to yield
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- it is possible to obtain oxygen from air by fractional distillation be...
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- The gases respectively absorbed by alkaline pyrogallon and oil of cinn...
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