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Best Answer: Formation of a solid, yes a reaction occurred; AgNO3 + 3NaCl -> AgCl3 + 3Na+ + NO3-. When things dissolve; however that isn't a chemical change it's a change in state or a physical change. For a chemical reaction to occur there needs to be some change in the molecules ... - read more
Best Answer: Dispersion forces only- C6H14, C4H10, Dispersion forces and dipole-dipole forces- HCHO Dispersion forces, dipole-dipole forces, and hydrogen bonding- H2O, C6H5OH - read more
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