
Reações ácido-base
Authored by shiraz karmali
Science, Professional Development
8th Grade
Used 62+ times

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12 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
1. As soluções podem ser __________, ___________ou________,e a maioria manifestam estas propriedades quando se encontram em solução ________.
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
2. As soluções que não apresentam caráter ácido nem básico são ____________
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A escala de pH é uma escala numérica de
0 a 15
0 a 14
1 a 13
2 a 14
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
4. A escala de pH dá um valor numérico que quantifica a
acidez ou alcalinidade de uma solução.
acidez ou basicidade de uma solução.
somente a acidez de uma solução.
somente a basicidade de uma solução.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma solução ácida tem um pH menor que
8
5
3
7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma solução básica tem um pH maior que
8
5
7
6
7.
OPEN ENDED QUESTION
3 mins • Ungraded
Os ácidos e as bases reagem quimicamente quando são misturados.
O que acontece ao valor do pH de uma solução básica quando adicionamos um ácido?
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