
Produtos de Limpeza
Authored by CRISTINA HAYASHIDA
Science
1st Grade
Used 1+ times

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28 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Existem muitos produtos de limpeza em nossas casas. Quando você vai limpar algum ambiente, você faz misturas? Qual a consequência disso?
A mistura pode causar danos à superfície e à saúde das pessoas.
A mistura sempre melhora a limpeza.
A mistura não tem efeito algum.
A mistura é sempre segura.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quem propôs a definição clássica de base em 1887?
Albert Einstein
Isaac Newton
Svante Arrhenius
Marie Curie
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que uma base libera em solução aquosa, de acordo com Svante Arrhenius?
Íon hidrogênio (H+)
Íon hidróxido (OH-)
Íon sódio (Na+)
Íon cloreto (Cl-)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é uma das características das bases?
Sabor doce
Sabor amargo
Sabor adstringente
Sabor salgado
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que acontece quando comemos uma banana ou caqui verde?
Aumenta a salivação
Diminui a salivação
Fica mais doce
Fica mais salgado
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que as bases fazem quando dissolvidas em água?
Conduzem corrente elétrica
Ficam doces
Ficam salgadas
Não mudam
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para que são usados os antiácidos?
Para aliviar dor de cabeça
Para aliviar azia e indigestão
Para melhorar a visão
Para curar resfriado
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