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What are different applications in which piezoelectricity is used
Applications- Piezoelectric materials serve as a source of ultrasonic waves. At sea, they may be used to measure depth, position of icebergs, distance of shore, submarines. They are also used in phonograph pickups, microphones, and straingauges.
how can be synthesise active methylene group contining compound
how to memorize cation and anion
A solvated electron is a free electron in (solvated in) a solution, and is the least possible anion. Solvated electrons happen widely although they are often not practical directly
first two groups are metal but why hydrogen is placed in first group
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what are grignard reagants ? how are tthey prepared is laboratory ? what makes them so important in synthetic chemistry?
The high melting point and insolubility in organic solvents of sulphanilic acid are due to its ...... structure: (1) Simple ionic (2) Bipolar
Which one of the following groupings represents a collection of isoelectronic species: (1) NA +, Ca 2+ , Mg 2+ (2) N3, F - , Na + (3) be, Al 3+ , Cl -
The following cell is used for measuring the partial pressure of oxygen at 700 o C. (Pt) Cu 2 Cu 2 0 / 0.85 ZrO 2 - 0.l5 CaO / O 2 (Pt) Knowing that conduction through the
how to calculate transport number by moving boundary method
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