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MBD PUBLICATION-p-BLOCK ELEMENTS-QUESTION BANK
- Which statement is correct?
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- Which statement is correct?
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- Anomalous behaviour of oxygen is due to:
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- The O-O bond length in ozone is:
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- Reaction of solid KMnO4 with conc H2SO4 produces an explosive substanc...
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- Which is stronger acis:
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- When KBr is treated with conc H2SO4 reddish brown gas is evolved. The ...
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- The second most electronegative elements in periodic table is:
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- The commercial name for peroxydisulphuric acid is:
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- Oxygen is divalent, whereas sulphur exhibits valency of 2,4 and 6 due ...
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- One gas bleaches the colour of the flowers by reduction while the othe...
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- Reaction of solid KMnO4 with conc H2SO4 produces maganese heptoxide (M...
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- A certain compound when burnt gave three oxided. The first turned lime...
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- Which substances chars when warmed with conc H2SO4 ?
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- Rhombic and monoclinic sulphur are:
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- Large deposite of sulphur in nature are found in the form of:
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- Number of hydroxyl groups present in pyrosulphuric acid is:
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- Sulphuric acid on heating with sulphur powders gives:
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- on heating sodium as well as sulphur can be melted molten sodium and m...
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- Ozonisation of water is carried out to remove
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