Which of the following processes is most accurately classified as a chemical change?
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Problem
Which of the following processes is most accurately classified as a chemical change?
(a) Dissolving solid NaCl in water to produce a conductive solution
(b) Sublimation of iodine crystals into violet vapor upon heating
(c) Combustion of a strip of magnesium ribbon in air to form a white powder
(d) Condensation of water vapor on a cold surface to form liquid droplets