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BODY BOOKS PUBLICATION-THE P-BLOCK ELEMENT-Example
- Observe the relationship between the first two terms and fill In the b...
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- is an allotrope of oxygen: It is formed at upper atmosphere by action ...
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- Choose correctly matched pairs.
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- “H3PO2 is a tribaslc acid”. State whether this statement Is true or fa...
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- PH3 is reacts with HI to form a salt .
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- Which of the following does not react with O2 directly Zn, Ti,Pt, Fe?
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- Which aerosols deplete ozone?
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- Which one of the following does not exist? i 'XeOF4' iiNeF2 iii XeF iv...
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- Ammonia has a higher boiling point and Is less volatile because of.
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- Compound is used as the covering liquid in refrigerators ?
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- The most abundant oxidation states of nitrogen are.
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- Name a disinfectant produced using slakedlime and chlorine. Give its c...
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- Name two allotropes of sulphur.
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- Sketch the structure of XeF4 Indicating lone pairs of electrons, if an...
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- Write the conditions to maximise the yield of H2SO4 in contact process...
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- Arrange the following hydrogen halides in the Increasing order of thei...
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- Explain why inspite of nearly the same electronegativity, oxygen forms...
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- All halogens except fluorine exhibits +1,+3, +5 and +7 oxidation state...
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- Element A burns, in nitrogen to give an ionic compound B. The compound...
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- A metallic element A bums In nitrogen gas to form an ionic compound ‘...
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