
Lei de Lavoisier
Authored by Ana Cláudia Lobão Nascimento
Chemistry
5th - 9th Grade
Used 152+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Indica o nome do Químico que estabeleceu a Lei da Conservação da Massa nas reações químicas.
Lavoisier.
Planck.
Einstein.
Newton.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Indica a massa de uma mistura constituída por 10,03 g de cloreto de sódio e 100,16 g de água.
A massa da mistura é de 11,019 g.
A massa da mistura é de 110,19 g.
A massa da mistura é de 11x102 g.
A massa da mistura é de 1101,9 g.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a equação química que traduz a eletrólise da água?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seleciona o nome do aparelho que permite realizar a eletrólise da água .
Voltímetro.
Amperímetro.
Balança.
Voltâmetro.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quando ocorre uma reação química:
Não há um rearranjo dos átomos.
Os átomos passam a ligar-se de forma diferente, formando-se novas substâncias.
Há destruição de átomos e formação de átomos novos.
Os átomos dos reagentes desaparecem.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seleciona o modelo molecular do ácido clorídrico.
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