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MODERN PUBLICATION-D-AND F-BLOCK ELEMENTS-EXERCISE
- Zinc white is a better white pigment than lead because it :
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- An important Zn ore is :
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- Chemical name of vermilion is :
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- ZnS containing minute traces of MnS becomes :
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- Mercury tree can be prepared :
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- The pair of metals which dissolves in NaOH(aq) is :
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- Which compound is used as a purgative in medicine?
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- Which of the following is poison?
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- The compound widely used in making reference electrode is:
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- The formula of mercurous ion is:
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- The formula of mercurous ion is:
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- A scarlet red precipitate is obtained on treating mercuric chloride so...
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- The formula of zinc chloride with ammonia is:
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- If NaOH is added to an aqueous solution of Zn^(2+) ions, a white preci...
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- When Zn reacts with very dilute nitric acid it produces:
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- Which statement about Hg is correct?
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- Which of the following ions is most stable in aqueous solution ?
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- In which of the following pairs, both the ions are coloured in aqueous...
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- Lanthanide contraction is due to
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- Among the following out electronic configuration of atoms the highest ...
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