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n-propyl acetate (bp 102 C) evaporates rapidly when exposed to air, but water(bp 100C)does not. Explain why
Which of the following metal ions will have maximum number of unpaired electrons: (1) Fe +2 (2) Co +2 (3) Ni +2
when n why rearrangement reaction occur?//
give examples of mixtures separated by distillation under reduced pressure
What is vulcanization The process of vulcanization was discovered by Charles Good Year in 1839. He found that when natural rubber is heated with sulphur, its tensile strength,
Q. Describe the Charles Law and show graph between temperature and volume? Ans. Charles' law describes the relationship between the temperature and the volume of a gas
All electrons on the 4p sub-shell must be characterized by the quantum number(s): (1) n=4, m= 0, s= ± 1/2 (2) l=1 (3) l=0, s= ± 1/2
What is basically Gibb''s free energy change? Ans) The energy associated with a chemical reaction that can be used to do work. The free energy of a system is the sum of its entha
what are medicinal applications of coordination complexes
Q. How to calculate atomic number? Atoms have no net electrical charge for the reason that they contain equal numbers of electrons and protons. Therefore positive charges (prot
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