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MBD PUBLICATION-p-BLOCK ELEMENTS-QUESTION BANK
- When SO2 gas is passed through an acidified solution of K2Cr2O7 :
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- The least stable oxide at room temperature:
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- Which metal forms an amphoteric oxide ?
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- Which one is more acidic ?
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- Oxygen gas can be prepared from solid KMnO4 by:
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- Starch paper moistened with KI solution turns blue in ozone because of...
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- Which member of 16 group has the highest catenation ability ?
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- Which element forms the oxide of highest valency ?
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- The acid used in lead storage battery is:
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- Which would quickly absorb oxygen ?
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- O2 is denser than air and therefore it is collected in:
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- FeCl3 solution on reaction with SO2 changes to:
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- In the contact process of H2SO4, SO3 dissolves in sulphuric acid to gi...
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- Which statement is correct?
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- A considerable part of the harmful ultraviolet radiation of the sun do...
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- The blue coloured gas is:
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- Poison for platinum, a catalyst in contact process of H2SO4 is:
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- The crystals of ferrous sulphate on heating give:
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- The percentage of ozone in ozonized oxygen is about:
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- Sulphate ion hasgeometry.
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