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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 hearth maintained at a temperature slightly above the melting point of the metal. The metal melts and flows down the inclined hearth into a well leaving at the back the solid impurities.
how many type of atom?
what is the graph between magnification and image distance for a convex lens..and how can we find the focal length for the lens using the graph? Ans) The distance between the len
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what is the method to doing potentiometric titration
what are the unique properties of colloids?
How is ethane gas is preparec in the lab?
Q. Explain about Preparation of diborane? Diborane can be prepared in almost quantitative yields by the reduction of boron Tricloride etherate (BF 3 , 0Et 2 ) with lithium alum
writethe sort farmula of learn the pariodik table.
Q. Show Chemical properties of Thorium metal? You know that actinium and all the actinides are radioactive. Of these only uranium and thorium are extracted from ores, all other
WHAT TYPE OF CHEMICAL REACTION IS INVOLVED IN POTENTIOMETRIC TITRATION
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