
Soluções ácidas e soluções básicas - regulação das aprendizagens
Authored by Luísa Nogueira
Chemistry
8th Grade
Used 4+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A fórmula química do ácido nítrico é ...
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A fórmula química do amoníaco é ...
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
... ácida.
... básica ou alcalina.
... neutra.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O vinagre contém ...
... ácido acético.
... ácido fosfórico.
... ácido nítrico.
... ácido cítrico.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O ácido que existe nos citrinos, sumo de laranja e sumo de limão é o ...
... ácido acético.
... ácido cítrico.
... ácido nítrico.
... ácido fosfórico.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O ácido que há na "coca-cola" é o ...
... ácido fosfórico.
... ácido clorídrico.
... ácido sulfúrico.
... ácido nítrico.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O ácido clorídrico, HCl, é um ácido forte. O seu pH está compreendido entre ...
1 > pH < 2
3 > pH < 4
5 > pH < 6
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