Subst e misturaws
Flashcard
•
Biology
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
O que é uma substância pura?
Back
São todos os materiais constituídos apenas por uma substância.
2.
FLASHCARD QUESTION
Front
O que são substâncias compostas?
Back
Substâncias formadas por dois ou mais átomos de elementos químicos diferentes.
3.
FLASHCARD QUESTION
Front
O que é uma mistura heterogênea?
Back
Mistura que apresenta mais de uma fase.
4.
FLASHCARD QUESTION
Front
Dê exemplos de substâncias simples.
Back
O₂, N₂, Br₂.
5.
FLASHCARD QUESTION
Front
Qual é a única transformação química?
Back
Fritar um ovo.
6.
FLASHCARD QUESTION
Front
O que é uma mistura homogênea?
Back
Mistura que apresenta uma única fase.
7.
FLASHCARD QUESTION
Front
Dê exemplos de misturas homogêneas.
Back
Água com sal, ar atmosférico.
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