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Silica glass: It is produced by heating pure sand to its melting point. Because of absence of refining agents, it is extremely difficult to get rid of all air-bubbles. Moreover, owing to the high viscosity of this glass at its working temperature, shaping is rather difficult. The final product is translucent its softening temperature is about 16500C. Its thermal expansion is lowest. If silica glass is heated for long periods, above its melting points, it finally becomes transparent and is then known as "clear silica glass". Glass of considerable light transmission properties, e.g. 1m thick of this material allow no less than 93% of light to pass. It is used mainly for chemical plants, chemical laboratory wares, electrical insulating materials in electrical heaters, furnaces etc.
why ionisation energy of Al is greater than Ga?
phenol is more acidic thyan eythanol
prperties of s block elements?
Q. Name the three ways in which consumer testing can be done? The three ways by which consumer testing can be done are: inhouse laboratory testing, home testing and institution
This cycloaddition reaction involves sixteen electrons; hence, it must be suprafacial on one component and antarafacial on the other. Thus, it must be a [14s + 2a] or a [14a + 2s]
solution and collegative properties explanation
What are three modifications to a polymer that can make it transparent? How will these modifications affect the mechanical properties of the polymer?
Write the periods of periodic table have d-block element
K3[Al(C2O4)3]
How do you do factor labeling problems in Chemistry?
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