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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
- Express 1151 in roman numbers.
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- Compounds of nitrogen, phosphorus and sulphur such as ammonia, phospho...
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- Express 1152 in roman numbers.
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- Describe the manufacture of H2SO4 by contact process?
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- What are amphoteric oxides? give two examples of amphoteric oxides?
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- Express 1154 in roman numbers.
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- Express 1155 in roman numbers.
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- Express 1156 in roman numbers.
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- Which form of sulphur shows paramagnetic behaviour and why ?
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- Unlike HCl, why HBr cannot be prepared by the action of concentrated s...
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- Write the reaction of white P with NaOH solution .
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- What are allotropic forms of sulphur ?
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- Express 1157 in roman numbers.
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- Express 1158 in roman numbers.
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- Express 1159 in roman numbers.
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- Describ chemistry of manufacture of ammonia by Haber's process and dis...
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- Write any two uses of inert gases.
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- Draw the structure of PCl3.
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- The first ionisation enthalpy of nitrogen is higher than that of oxyge...
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- Give the preparation and properties of sulphur dioxide (SO(2) ).
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