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MBD PUBLICATION-p-BLOCK ELEMENTS-QUESTION BANK
- White phosphorus may be separated from red phosphorus by:
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- A cold, green flame can be made by passing CO2 over warm:
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- Phosphorus compound used as drying agent and desicating agent is:
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- The gas not having oxidising and bleaching property is
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- The strongest acid is:
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- The acid used in soft drinks is:
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- Nitre cake is:
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- Amphoteric oxide is:
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- The P-P-P bond angle in white phosphorus is:
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- Which acid has P-P linkage?
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- Nitric acid is used in the manufacture of:
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- PCl5 is kept in well stoppered bottle because:
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- There is very little difference in acid strength in the acids H3PO4 , ...
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- Phosphoric acid is syrupy liquid due to
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- The correct order to decreasing acidic strength of oxyacids of group 1...
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- The smell of nitrogen dioxide is:
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- which of the following elements is good conductor of electricity?
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- Non- polar molecule is:
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- Ammonium compound not used as a fertilizer is
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- Blasting of TNT is done by mixing it with:
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