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d and f-Block Elements Test - 9
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  • Question 1/8
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    The number of water of crystallization in hydrated copper sulphate is

  • Question 2/8
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    Transition elements form coordination complexes because of

  • Question 3/8
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    The chromium atoms in both Cr2O72- and CrO42- are sp3 hybridised. All the Cr-O bonds are equivalent in

  • Question 4/8
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    Which of the following oxides is amphoteric?

  • Question 5/8
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    Which two lanthanoids are added as light filters to glass filter goggles?

  • Question 6/8
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    Lanthanoids are soft metals with a silvery white sheen. The exception to this fact is

  • Question 7/8
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    K2Cr2O7 reacts with NH4Cl in the presence of H2SO4. The product formed is

  • Question 8/8
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    The relative composition of lanthanides in mischmetal is

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