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Safety in Preparation of Preparation of trimethyl: 1 Use a round-bottomed flask equipped with a Claisen head (lagged with glass-wool), Quickfit thermometer (very expensive!)
Neutrons are found in atoms of all elements except in: (1) Chlorine (2) Oxygen (3) Argon (4)Hydrogen Ans: Hydrogen
explain the construction of calomel electrode.explain how this electrode is used to determine the potential of an unknown electrode
The total number of valence electrons in 4.2 gm N-3 of ion is ( NA is the Avogadro''s number): (1) 1.6NA
glycerol,synthesis from propane
fajan''s law
Q. Quantum Mechanical Model of the Atom? Ans: Using quantum mechanics, scientists realized that the exact location of an electron could not be determined. Instead, only the p
chemical reaction needed to lift a balloon
Im trying to figure out the mass of 41 molecules of SO2, but i keep getting it wrong.
clear scientific definition of exothermic and endothermic reactions
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