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Q. Show the Liquation in purification of metals? Crude tin, bismuth and lead are purified by liquation. In this process, the impure metal is placed at the top of a sloping hear
give a brief explaination of magnetic separation is. ?
Draw the structures of white phosphorus and red phosphorus. Which one of these two types of phosphorus is more reactive and why?
what is diagonal relationship? explain diagonal relationship between Li and M g, Be and Al?
Describe a method that could be used to separate the components of the following a) Sand and iron filings b) Sawdust and lead pellets c) Salt and glass particles d) Silt (water and
how can you explain the fact that lanthinides are highly electopositive?
If electron falls from n=3 to n= 2 , then emitted energy is: (1) 10.2ev (2) 12.09 ev (3) 1.9ev (4)0
what are the principles of radiometric titration
about trans product
Trans -Isomer of a substance is more stable than Cis-Isomer.
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