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DISHA PUBLICATION-THE P-BLOCK ELEMENTS (GROUP 15, 16, 17 & 18)-Exercise
- Which of the following oxides is neutral ?
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- Ammonia on reaction with hypochlorite anion can form :
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- How many bonding electron pairs are there in white phosphorus ?
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- Producer gas is a mixture of :
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- One mole of magnesium nitride on reaction with an excess of water give...
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- One mole of calciium phosphide on reaction with excess water gives
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- Which is the most thermodynamically stable allotropic form of phosphor...
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- The product formed in the reaction of SOCl2 with white phosphorus is
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- In case of hydride of oxyge family, which of the following physical pr...
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- Which of the following statements is correct:
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- it is possible to obtain oxygen from air by fractional distillation be...
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- The number of S-S bonds in SO(3), S(2)O(3)^(2-), S(2)O(6)^(2-) and S(2...
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- Oleum is
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- By passing H(2)S gas in acidified KMnO(4) solution, we get
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- Oxidation of thiosulphate by iodine gives
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- When PbO(2) reacts with conc. HNO(3) the gas evolved is
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- The compound which gives off oxygen on moderate heating is:
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- Oxidation state exhibited by sulphur is
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- On electrolysis of dilute sulphuric acid using platinum electrodes, th...
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- A gas that cannot be collected over water is.
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