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Fine grain sizes are obtained by
slow cooling
What is linear geometry The beryllium (Be) bears two groups, and thus has linear geometry. The H-Be-H bond angle is 180°.
Aufbau principle is obeyed in which of the following electronic configurations: (1) 1s 2 2s 2 2p 6 (2) 1s 2 3p 6 3s 2 (3) 1s 2 3s 2 3p 6
equivalent weight of k2so4.al2(so4)3.24h2o
Draw the structures of white phosphorus and red phosphorus. Which one of these two types of phosphorus is more reactive and why?
Q. Illustrate Metallic Bonding? Ans. A metal is crystalline because it has a regularly repeating, closely packed structure. In a metal, though, this closely packed structu
Steam Distillation - Purification of Organic Compounds This technique is applicable for the separation and purification of those organic compounds that are solids or liquids wh
Rubber - polymer It is a polymer that is able of returning to its original size, shape or length later than being deformed or stretched. It a kind of elastomer. Rubber is of tw
a dot placed inside a lamp symbol shows
Acid dyes: These are commonly salts of sulphonic acids and can be helpful to silk, wool and nylon. The presence of sulphonic acid group creates them water soluble. These dyes a
can you give examples of semi-synthetic polymer
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