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NCERT TAMIL-P - BLOCK ELEMENTS-SELF EVALUATION B. Answer in one or two sentences
- Write a note on plumbo solvency.
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- H3 PO3 is diprotic. Why?
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- Draw the structure of hydathode
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- Prove that P2 O5 a powerful dehydrating agent.
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- Why H2 O is a liquid while H2 S is a gas?
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- Why the compounds of fluorine with oxygen are called fluorides of oxyg...
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- Fluorine atom is more electronegative than iodine atom yet, HF has low...
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- What are interhalogen compounds? How are they formed?
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- Discuss the oxidising power of fluorine.
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- How is XeF6 prepared?
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- Why do noble gases form compounds with fluorine and oxygen only?
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