Chemistry: Acids, Bases And Salts

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Acids, Bases, And SaltsAn acid is a substance which, when dissolved in water produces…

Physics: Electromagnetic Waves

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Electromagnetic waves (E.M. waves)(A)nature of E.M. wavesElectromagnetic waves are members of a family of…

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(A)heat and temperatureHeat is a form of energy, called thermal energy that is normally…

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Magnetic field(A) concept of magnetic fieldMagnetic field is a region around a magnet in…

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LASERLaser is a device that stimulates atoms or molecules to emit light at a…

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Non metals and their compounds CarbonCarbon occurs naturally as diamond and graphite. It also occurs…