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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
- What is the composition of grapes?
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- In H2S2O8, the oxidation state of S is +6/+7.
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- The number of electrons present in M shell of aluminium is ........
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- The ion that is isoelectronic with CO is ............
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- During electrolysis of molten ICl3, both I2 and Cl2 are liberated at a...
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- HClO4 is less/more acidic than HClO3.
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- What are the uses of grape juice?
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- When Cl2 gas is passed through hot milk of lime, bleaching powder /cal...
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- HI is stronger /weaker acid than HCl.
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- Bleaching action of SO2 is permanent/ temporary.
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- Dipole moment of SO3 is higher /lower than that of SO2
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- BrO4^- is stronger /weaker oxidiaing agent than CIO4^-.
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- The halogen which normally does not form oxoacid is fluorine / chlorin...
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- In BrF3 , Br involves sp^3/sp^3d hybridisation.
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- The most abundant noble gas in atmosphere is argon / helium.
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- The square pyramidal shape is of XeOF4/XeO2F2 .
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- Why white phosphorus is more reactive than red phosphorus?
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- Express 1109 in roman numbers.
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- Express 1110 in roman numbers.
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- Express 1111 in roman numbers.
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