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GLASS: Glass is amorphous solid which is not true solid, it is rather super cooled liquid which possesses a very high viscosity. It has no fixed melting point, on heating gradually softens and then melts over a wide range of temperature into mobile liquid. The amorphous solid unlike crystalline solid breaks with conchoidal fracture. Glass is fused of silicates of sodium and calcium which is amorphous, hard brittle, transparent or translucent super cooled liquid, having high viscosity.
characteristic of solvents
whats is surfactant and its applications in cloud point extraction ?
What is vulcanization The process of vulcanization was discovered by Charles Good Year in 1839. He found that when natural rubber is heated with sulphur, its tensile strength,
Which of the following two compounds would you wait for to have a greater dipole moment? Support your reply by writing the corresponding (plausible) resonance structures.
what is the order of solubility of alkali metal hydrides and halides
Q. Objectives of transition elements of the f-block? After studying this unit you should be able to: distinguish between transition and inner-transition elements, d
Silicon has 4 electrons in the outermost orbit. In forming the bonds: (1) It gains electrons (2) It loses electrons (3) It shares electrons (4) None of these Ans: I
Electro refining of Copper • Electrolyte - Aqueous copper sulphate solution (acidified) • Cathode - Pure copper metal (thin rod) • Anode - Impure copper metal (thick block) • Disso
What is periodic property
Define Colligative Properties of A Dilute Solution? The colligative properties of a solution are usually considered to be: 1. Freezing-point depression: the decrease in the
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