
Eletrólise da água
Authored by Karina 1
Chemistry
1st - 5th Grade
Used 2+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A eletrólise da água consiste
Adicionar eletrões a água
Separar os componentes da molécula H2
Separar os componentes da molécula H2O
Retirar eletrões da água
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Que material não foi usado na experiência?
Voltâmetro
Pilha
Tubos de ensaio
Espátula
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O átomo é constituído por:
Nuvem eletrónica e eletrões
Protões, eletrões e neutrões
núcleo e protões
núcleo e neutrões
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A corrente elétrica é:
Movimento de eletrões
eletricidade
movimento de protões
movimento orientado de eletrões
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Numa reação de oxidação-redução
Perda de eletrões
transferência de eletrões entre os reagentes
redução de uma oxidação
formação de ferrugem
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O cátodo e o ânodo nesta experiência são:
O bicarbonato
A água
a pilha
as grafites
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a função do bicarbonato de sódio?
Fechar o circuito
Adicionar eletrões a água
para nada
para reagir com a água
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