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I would like to know why you stop heating the sulphuric acid before placing in the copper oxide in making copper sulphate crystals
law of conservation of mass
Which of the following reduces the activation energy of a chemical reaction?
Which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon Ans) We know the energy of electron goes on to become more negative as it reache
why we consider methyl using prefixes?
locallized and delocalized bond
Evidence in favor of Kekule's structure 1. Benzene combines along with 3 molecules of hydrogen or three molecules of chlorine. It also collides along with 3 atoms of ozone to
Aufbau principle is not satisfied by: (1) Cr and Cl (2) Cu and Ag (3) Cr and Mg (4) Cu and Na Ans: Cu and Ag
draw dxy and dx2-dy2 atomic orbitals
How many grams of silica gel and plaster of paris and volume of water is needed to have a preparative TLC?
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