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DINESH PUBLICATION-THE P-BLOCK ELEMENTS -N.C.E.R.T In-Text Questions
- Why is H(2)O a liquid and H(2)S a gas ?
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- Which of the following does not react with oxygen directly? Zn,Ti,Pt,F...
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- Complete the following reactions : (i) C(2)H(4)+O(2) to (ii) Al +O...
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- Why does O(3) act as a powerful oxidising agent ?
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- How is O(3) estimated quantitatively ?
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- What happens when sulphur dioxide gas is passed through an aqueous sol...
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- Comment on the nature of two S-O bonds formed in SO(2) molecule. Are t...
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- How is the presence of SO2 detected?
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- Mention three areas in which H(2)SO(4) plays an important role.
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- Write the conditions to maximise the yield of H2SO4 by contact process...
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- If osmotic pressure of 1M aqueous solution of H(2)SO(4) at 500K is 90....
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- Considering the parameters such as bond dissociation enthalpy, electro...
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- Give two examples to show the anomalous behaviour of fluorine.
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- Sea is the greatest source of some halogens. Comment.
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- Give reason for the bleaching action of Cl(2).
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- Name two poisonous gases which can be prepared from chlorine gas.
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- Why is Icl more reactive than I(2) ?
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- Why is helium used in diving apparatus ?
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- Balance the equation : XeF(6)+H(2)O to XeO(2)F(2)+HF
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- Why has it been difficult to study the chemistry of radon ?
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