Atividade de Química - 2º Ano - FC - Do dia 01/03
Quiz
•
Chemistry
•
4th Grade
•
Practice Problem
•
Hard
Patricia Alves
Used 2+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual a principal característica de uma solução?
Ser sempre uma mistura homogênea.
Possuir apenas líquido.
Ser um sistema com mais de uma fase.
Ser heterogênea.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Assinale a alternativa que contém exemplo de solução:
Mar.
Granito.
Mistura de água e óleo.
Gás carbônico.
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Indique uma solução sólida:
Aço.
Ferro.
Cobre.
Ouro.
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual o valor da massa molecular da substância: LiOH? (Li = 7, O = 16, H = 1)
24.
23.
17.
10.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O que significa massa da solução?
Apenas massa do soluto.
A massa do solvente.
A massa do soluto e solvente.
A massa molecular.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O que é massa molar?
É a soma das energias da substância.
É a soma da massas atômicas.
É a soma das velocidades da substância.
É a soma das temperaturas da substância.
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Um sal apresenta 8 g e dissolveu em 2 litros de solução, qual o valor da concentração?
16.
10.
6.
4.
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