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What are liquid crystals? Give examples.
Liquid crystals are an intermediate state among liquid state and solid state. They exhibit some characteristic properties of both solids and liquids. The liquid crystal state has ?ow properties like ordinary liquids and they show anisotropy and double refraction just such as crystalline solids. Examples are Cholesteryl acetate and cholesteryl benzoate
Q. What are the Physical Properties of Nitric Acid? Ans. Nitric acid (HNO 3 ) may be prepared by heating sodium nitrate with sulfuric acid: NaNO 3 + H 2 SO 4 --> HNO
Solid xenon forms crystals with a face centered unit cell that has an edge of 620 pm. 1. calculate the atomic radius of xenon. 2. calculate the packing efficiency if xenon. So
Hydride generation method: The hydride generation method of sample enhances the detection limits by a factor of 10 to 100 by converting the analyte element into a volatile hyd
give some experiments to show difference between alcohol and phenol of class 12 level
Favourable conditions for electrovalency are: (1) Low charge on ions, large cation, small anion (2) High charge on ions, small cation, large anion (3)High charge on ions,
Q. Can you explain Texture? Texture indicates the characteristic of a food and would include descriptive parameters like graininess, softness, chewiness, brittleness etc. The t
explain crystallization as a method of separating mixture
The electrons would go to lower energy levels first and then to higher energy levels according to which of the following: (1) Aufbau principle (2) Pauli's exclusion princip
markonise and anti markonise
Why does calcium sulphate form scales in high pressure boilers
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