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Q. Show the Purification of Metals?
The metals obtained by metallurgical processes still have some impurities which persist from the ore or are derived from the flux or the fuel used. In order to get pure metal, further purification or refining is required. There are several methods available for purification, depending upon the behaviour of the metal and the kind of impurities present. Some refining processes are designed to recover valuable metal impurities also, such as, silver, gold and platinum.
Gustation - The Sense of Taste The word ‘taste' means not only a sensory response to the soluble materials in the mouth but also aesthetic appreciation. It has been noted many
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#What is the proof of formulae for finding Equivalent weight
Properties of Gases Gases are easily expandable ,compressible unlike solids and liquids. Gases are measurured in pressure.Pressure is defined as force exerted per unit area of
Q. What do you mean by Descriptors? Descriptors are selected terms used to describe the sensory attributes of products and vary from one product to the other. The chosen descri
the simplest forms of physical quantities
what is chemical bond and his type?
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