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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.
Q. Place these types of light in order from largest to smallest wavelength. Blue light, x-rays, gamma rays, microwaves, green light? Largest wavelength microwaves green l
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
How do you account for the following: (a) All scandium salts are white. (At. No. of Sc = 21) (b) The first ionization energies of the 5d transition elements are higher than
What is Standard deviation? Standard deviation tells about the widely spread out of the measured analytical data points. Highly precised measurements are less standard deviation.
When NaCl is dissolved in water, the sodium ion become
20ml of water sample requires 15ml of 0.1mg/l sodium carbonate using phenolphthalein indicator. state the type of acidity and calculate the acidity
What did thomson''s model of an atom look like, when did he discover the atom, where did he discover it, how did he, who helped him, when did he die, how did he die??????
cataylast
Atoms with the different numbers of neutrons and same atomic number are known as isotopes. The chemical properties of an element are determined by wildly the charge on the nucleus,
how to find out the basic radicals
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