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MODERN PUBLICATION-D-AND F-BLOCK ELEMENTS-EXERCISE
- The calomel present in an electrode is :
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- An element which is highly toxic for plants and animals is ?
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- Zinc sulphate is known as :
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- Lithopone , a white pigment , consists of :
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- The lowest degree of paramagnetism per mol of the compound in the foll...
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- Zinc oxide is:
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- A compound is yellow when hot and white when cold. The compound is :
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- In the reaction SnCl2 + 2HgCl2 rarr A + SnCl4 , A is :
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- The colour of Zinc sulphide is:
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- The metal which liberates hydrogen from hot NaOH solution is :
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- In the reaction HgCl(2) + 4KI rarr M+2KCl,
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- Hard steel contains :
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- In which types of endosperm are the first division cellular?
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- The sand stone in some iron ores is removed by:
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- The d-block elements form alloys among themselve, because
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- Write some characteristics of transition elements.
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- Most of the known elements are :
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- Mn belongs to :
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- An aqueous solution of ferric chloride is acidic. Explain.
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- Orford process is used in extraction of:
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