
Reações Químicas e Precipitados
Passage
•
Chemistry
•
3rd Grade
•
Practice Problem
•
Medium
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual ânion forma um precipitado amarelo com nitrato de prata?
Brometo
Cloreto
Cianeto
Hipoclorito
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o descarte apropriado para o precipitado de cloreto?
Metais
Cianeto
Água
Ácido
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que acontece quando uma solução reage com cloreto férrico?
A solução fica branca
A solução fica azulada
A solução fica vermelha
A solução fica verde
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a cor do precipitado formado com sulfocianeto e nitrato de prata?
Branco rosado
Azul
Verde
Amarelo
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que é formado quando o cloreto reage com nitrato plumboso?
Precipitado branco de cloreto de chumbo
Precipitado marrom de óxido de chumbo
Gás incolor
Gás avermelhado
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual gás é liberado na reação do brometo com dióxido de manganês?
Cl₂
Br₂
NH₃
HCl
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que acontece com o precipitado de hipoclorito ao reagir com hidróxido de sódio e nitrato plumboso?
Fica azul
Fica marrom
Fica verde
Fica vermelho
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