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An air oven A large tin can is used as an air oven. A hole through the lid fitted with a cork holds a thermo- meter, and the saucer or dish rests on a wire gauze bridge placed
why is it useful to use moles to measure chemical quantities
Why a covalent bond is directional? The covalent bond is formed as a result of pairing of two electrons in the atomic orbitals of two atoms. The bond then should lie along the
what are the chemical properties of solids???
Electronic configuration of H - is : (1) 1s 0 (2) 1s 1 (3)1s 2 (d) 1s 1 , 2s 1 Ans: 1s 2
Q. Determine the wavelength of light wave? Ans. The frequency of an infrared wave is 2.07 x 10 14 Hz. What is the wavelength? c = λv Since we know the speed of light we
Define Electric Potentials in the Cell? The electric potential - at a point in space is de?ned as the change in the electrical potential energy of an in?nitesimal test charge w
write the different units of hardness with their relationship
what effect of two oriantation gps in the same aromatic ring?
Importance of Chemistry in Life - Chemistry in Action Chemistry plays vital role in our regular life from the starting, it has been in the service of mankind. Our daily needs o
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