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Burning of magnesium ribbon is a chemical change as chemical composition of one of the compound is changing and the chemical reaction associated with it is. Mg + (1/2) O2 â MgO. here the magnesium ribbon is burnt and magnesium oxide is formed.
PHYSICAL CHANGE CHEMICAL CHANGE. 1. a change in size, shape, or state 1. a change in the physical and. 2. no new substance is formed chemical properties. 2. a new substance is formed. Identify the following as physical (P) or chemical (C) changes. P 1. NaCl (Table Salt) dissolves in water. C 9.