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What is piezoelectricity
Piezoelectricity provides us a means of converting electrical energy to presume new geometric positions and mechanical dimensions of the substance are altered. This phenomenon is known as electrostriction. Reverse effect i.e. production of polarization by application of mechanical stresses can occur only if lattice has no center of symmetry, this phenomenon is termed as piezoelectricity. Illustrations- Rochelle salt, Quartz, Barium titante.
Properties of Bi-phenyl - Hydrocarbon Bi-phenyl is a colourless solid, melting point 71°C. It goes through usual electrophilic replacement reactions. As aryl set are electron w
laws of chemical combinations
The color in KMnO4 arises from an electronic transition, but it is actually not a d-d ... When the light is reflected (or transmitted) it is missing the frequencies of the light ab
nitroalkane sare acidic in nature.Explain
Q. Name the health benefit of soya protein? Soya protein reduces cholesterol levels in hypercholesterolemic individuals.
role of ammonium chloride and ammonium hydroxide in group third of basic radical?
The boron trihalides are highly volatile; BF 3 (b. p., 173 K) and BCI 3 , (b. p., 260.5 K are gases, BBr 3 a volatile liquid (b. p., 319 K) and Bl 3 a low melting solid (m. p.,
construction and working of secondary cell
The spectrum of He is expected to be similar to: (1) H (2) Li + (3) Na (4) He + Ans: Li +
Calculate the mass of sodium chloride: Problem: Let us calculate the mass of sodium chloride in a solution containing 24 Na (half-life, 15 h) whose activity is 5.7 mCi
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