
Características das Bases
Science
9th Grade
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes opções é uma propriedade comum das bases?
As bases têm sabor azedo.
As bases têm sabor amargo.
As bases não conduzem eletricidade.
As bases não reagem com ácidos.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a importância das bases na indústria de limpeza?
As bases são usadas para neutralizar ácidos em produtos de limpeza.
As bases são usadas para dar cor aos produtos de limpeza.
As bases são usadas para aumentar a acidez dos produtos de limpeza.
As bases são usadas para reduzir a viscosidade dos produtos de limpeza.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes substâncias é uma base comum usada em laboratórios?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes afirmações é verdadeira sobre as bases?
As bases têm pH menor que 7.
As bases mudam a cor do papel tornassol vermelho para azul.
As bases não reagem com metais.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Por que as bases são importantes na agricultura?
As bases são usadas para aumentar a acidez do solo.
As bases são usadas para neutralizar a acidez do solo.
As bases são usadas para aumentar a salinidade do solo.
As bases são usadas para reduzir a fertilidade do solo.
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