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Authored by TAISA VARGAS
Chemistry
1st - 3rd Grade
Used 8+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A fenolftaleína...
É um ácido que reage com a base
É uma base que reage com a base
É um indicador de base
É um indicador de ácido
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Assinale qual espécie química que em contato com a fenolftaleína fica rosa:
Ácido Acético
Hidróxido de sódio
Cloreto de sódio
Ácido clorídrico
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o gás que você assoprou na solução?
Dióxido de carbono
Monóxido de carbono
Sulfeto de carbono
Dióxido de enxofre
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Para fazer a solução retornar a cor translúcida basta adicionar qualquer solução
5.
OPEN ENDED QUESTION
3 mins • Ungraded
Qual a forma correta de descartar os reagentes utilizados no experimento?
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6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O NaOH é...
um ácido
uma base
um sal
um composto iônico
7.
OPEN ENDED QUESTION
3 mins • Ungraded
Por que a cor desaparece ao soprar as dentro da solução?
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