6. Which of the following statements is NOT true regarding chemical reactions?
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A. Chemical reactions begin with measurable quantities of substances, known as reactants.
B. When substances interact within a chemical reaction, the physical changes that occur produce a new substance(s).
C. Chemical reactions end with products that can appear quite different from the reactants.
D. The requirement of all chemical equations is that the number of atoms in all the reactants equals the number of atoms in the products.
1 answer
D. The requirement of all chemical equations is that the number of atoms in all the reactants equals the number of atoms in the products.