8ºano - Reações químicas
Quiz
•
Chemistry
•
8th Grade
•
Hard
Helena Tavares
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12 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
aniões poliatómicos
iões dinegativos
iões monoatómicos
2.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Lei de Lavoisier é também conhecida por…
lei da conservação do peso.
lei fundamental da dinâmica.
lei da conservação da massa.
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
55 g
0 g
15 g
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
um ião monoatómico, um ião poliatómico, um ião monoatómico.
um ião poliatómico, um ião poliatómico, um ião monoatómico.
um catião, um anião, um anião.
três aniões.
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
é constituída por iões positivos Mg+ e iões negativos Cl- na proporção 2:1.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
potássio de fosfato.
fosfato de cálcio.
fosfato de potássio.
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