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MBD PUBLICATION-p-BLOCK ELEMENTS-QUESTION BANK
- In the preparation of O2 from KClO3, MnO2 acts as:
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- Acetic acid is added while preparing a standard solution of CuSO4. 5H2...
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- SO2 can be used as:
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- Acidified KMnO4 is decolourised by:
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- The most stable allotropic form of sulphur is:
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- O3 is made from O2 :
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- Which reaction represents the oxidizing behaviour of H2SO4 ?
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- In the upper layer of the atmosphere, ozone is formed by the:
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- When PCl5 reacts with sulphuric acid sulphuryl chloride (SO2Cl2) is fo...
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- When SO2 is passed through acidified solution of H2S :
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- Dry bleaching is done by:
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- Conc. H2SO4 displaces HCl from chloride because:
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- The reaction, 2SO2 + O2 + 2H2O rarr 2H2SO4 is an example of:
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- Which is the most basic of the following oxides:
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- Paramagnetic molecule is:
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- Acidified iodates are reduced to…..by SO2
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- Sulphurous anhydride is:
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- By passing SO2 in solution of K2Cr2O7. It turns green due to the forma...
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- In the reaction K + SO2 rarr……….. the products are:
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- Concentrated H2SO4 is not used to prepare HBr from KBr because it:
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