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MODERN PUBLICATION-GROUP 15 ELEMENTS-EXERCISE
- Why SO2 gas cannot be collected over water?
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- The nitrate which when heated gives off a gas or a mixture of gases wh...
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- Lead nitrate on heating gives lead oxide, nitrogen dioxide and oxygen....
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- Phosphorus is manufactured by heatingin a furnace.
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- A process for making ammonia at high temperature and pressure in the p...
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- Yellow phosphorus is kept in:
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- Diammonium phosphate (DSP) is used in:
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- NH3 can be collected by the displacement of:
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- Light blue colour of nitrous acid is due to dissolved:
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- The dipole moment of NF3 is less than NH3 because:
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- Which hydride does not exist ?
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- Skin turns yellow in contact with conc. HNO3, because:
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- Ammonia molecule is:
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- Nitrates of all metals are:
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- Man dies, when nitrous oxide is inhaled in large quantities because it...
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- Mg on heating to redness in an atmosphere of N2 and then on treating w...
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- Which halide does not hydrolyse ?
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- Bones glow in the dark, because:
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- Bottle of PCl5 is kept stoppered because it:
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- In modern process phosphorus is manufactured by:
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