Com base nos valores de pH, classifique as substâncias como sendo ácidos ou bases:
A) suco de limão- pH 2:
B) Sabonete líquido- pH 10:
C) vinagre – pH 3:


Escolha uma:
a. A) ácido
B)Básico
C)Ácido

b. A) básico
B)Ácido
C) Básico




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