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SURA PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS -ADDITIONAL QUESTIONS & ANSWERS ( FILL IN THE BLANKS )
- is found in Madurai and Dindugal.
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- The best conducting metal is .
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- Matte is mixture of .
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- 98% pure copper is called as.
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- Electromagnets , springs and anchors are prepared from .
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- is the gradual destruction of metals by chemical or electrochemical ...
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- The process of of coating zinc over a metal is called as .
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- The easily corrodible metal is called as to act as a anode ensuring...
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- Corrosive action in the presence of moisture is called .
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- Metals posses a high lustre called .
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- and are metals which can be cut with a knife .
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- Molecule of metals in their vapour state are usually .
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- On diluting sodium meta aluminate with water , a precipitate of si...
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- 2Al(OH)2 overset(1000^(@)C)to +3H(2)O.
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- Aluminium is produced by the electrolytic reduction of fused in the ...
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- On heating at 800^(@)C, aluminium forms and
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- does not react with aluminium due to its layer of oxide on it.
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- When steam is passed over red hot aluminium , is produced.
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- The density of aluminium is .
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- The melting point of aluminium is .
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