
Revisão - funções inorgânicas
Authored by Caroline Tombini
Chemistry
10th Grade - University
Used 2+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
HCl — Ácido clorídrico
Answer explanation
HCl — Ácido clorídrico: Ácido forte que ioniza em água liberando H⁺ e Cl⁻, característica típica de ácidos.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
NaOH — Hidróxido de sódio
Answer explanation
NaOH — Hidróxido de sódio: Base forte que se dissocia em Na⁺ e OH⁻ em solução aquosa, fornecendo íons hidróxido.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
CaCO₃ — Carbonato de cálcio
Answer explanation
CaCO₃ — Carbonato de cálcio: Sal formado pelo cátion Ca²⁺ e o ânion CO₃²⁻; produto típico de neutralização entre ácidos e bases.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
CO₂ — Dióxido de carbono
Answer explanation
CO₂ — Dióxido de carbono: Óxido covalente do carbono; reage com água formando ácido carbônico (H₂CO₃), por isso classificado como óxido (óxido ácido).
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
H₂SO₄ — Ácido sulfúrico
Answer explanation
H₂SO₄ — Ácido sulfúrico: Ácido mineral forte que libera prótons (H⁺) em solução.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
NH₄Cl — Cloreto de amônio
Answer explanation
NH₄Cl — Cloreto de amônio: Sal composto por NH₄⁺ (íon amônio) e Cl⁻, resultante da neutralização entre NH₃ e ácido clorídrico.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Fe₂O₃ — Óxido de ferro (III)
Answer explanation
Fe₂O₃ — Óxido de ferro(III): Óxido metálico (óxido básico) formado pelo ferro e oxigênio; caracteriza-se como óxido.
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