Acidos e bases
Authored by Thiago Aprigio
Science
10th Grade
Used 78+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma substância que é 3 na escala de pH seria um(a):
ácido
base
sal
suco de manga
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual dos seguintes é um exemplo de base?
suco de laranja
vinagre
limão
limpador de ralo/sabonetes
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Verdadeiro ou falso: uma solução neutra tem quantidades iguais de H e OH.+-
Verdade
Falso
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes afirmações é verdadeira em relação a ácidos e bases?
ácidos e bases não reagem uns com os outros
ácidos misturados com bases neutralizam uns aos outros
ácidos misturados com bases fazem bases mais fortes
ácidos misturados com bases fazem ácidos mais fortes
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O NaOH pode ser encontrado em limpadores de ralo e como um componente de sabonetes. NaOH é um ácido ou uma base?
Ácido
Base
Nenhum (Neutro)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma substância que muda de cor quando misturada com um ácido ou base é a(o)
indicador
corrosivo
neutralizador
jaimes
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De que cor fica a fenolftaleina quando entra em contato com uma base?
Azul
Verde
Rosa
Preto
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