September 2023 1 44 Report
Questão 3) Dadas as substâncias: Cloreto de sódio, óxido de potássio, ácido nítrico e
hidróxido de cálcio, as fórmulas que as representam são respectivamente:
a) Ca(OH)2; HNO3; K2 O; e NaCl
b) Ca(OH)2; HNO2; K2 02 e Na Cl
c) NaCl; K2 02; HNO3 e Ca (OH)2
d) NaCl; K2 02; HNO2 e Ca(OH)2.
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