
Reações de Ácido-Base

Quiz
•
Chemistry
•
8th Grade
•
Hard
Ana Carrilho da Graça
FREE Resource
10 questions
Show all answers
1.
OPEN ENDED QUESTION
3 mins • 10 pts
Como medir o pH de uma solução?
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2.
MULTIPLE SELECT QUESTION
30 sec • 10 pts
HCℓ(aq) + Mg(OH)2(aq) ⟶______(aq) + ______(ℓ)
MgCℓ2(aq)
H2O(ℓ)
3.
MULTIPLE SELECT QUESTION
30 sec • 10 pts
______ (aq) + _______ (aq) ⟶ Na2SO4(aq) + ______ (ℓ)
H2SO4(aq)
NaOH(aq)
H2O(ℓ)
4.
MULTIPLE SELECT QUESTION
30 sec • 10 pts
______ (aq) + NaOH (aq) ⟶NaCℓ (aq) + ______(ℓ)
HCℓ(aq)
H2O(ℓ)
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Qual dos seguintes valores poderá corresponder ao pH de uma solução aquosa de hidróxido de sódio, a 25°C?
0
4
7
12
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Se reagirem 4,9 g de H2SO4 com 2,0 g de NaOH, a massa total dos produtos da reação será:
6,9 g
4,9 g
2,9 g
8,9 g
7.
OPEN ENDED QUESTION
3 mins • 10 pts
Indica, justificando, o que acontece ao valor do pH da água do lago quando nele precipita muita chuva ácida.
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