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MODERN PUBLICATION-D-AND F-BLOCK ELEMENTS-EXERCISE
- Write down the composition of German silver.
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- Azurite is the ore of .
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- Mention two uses of potassium dichromate.
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- Give a method of preparation of XeF4.
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- Write the formula of Borax.
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- Explain why CuSO4 is blue while ZnSO4 is white.
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- Give an example of sol.
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- What is ligand ? Give examples.
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- Zinc , cadmium and mercury are :
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- Define transition element.
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- Colourless transition metal ion is:
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- Write the IUPAC name of:
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- The general outer electronic configuration of transition elements is
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- Which ion is paramagnetic
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- Which one is more paramagnetic: Fe^(3+) or Fe^(3+) ?
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- What are Sanctuaries ?
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- What are pesticides ?
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- Name any two alloys of steel.
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- The molecular formula of ether is
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- Which law explains the chemical combination of elements in H2O ?
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