Reação do cálcio com a água
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Easy
Cristina Moura
Used 6+ times
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9 questions
Show all answers
1.
OPEN ENDED QUESTION
30 sec • Ungraded
Qual é o grupo da Tabela Periódica a que pertence o elemento cálcio?
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2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Classifica o cálcio em metal ou não metal.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantos eletrões de valência tem os átomos deste elemento químico (cálcio)?
1
2
3
6
7
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Que tipo de ião este elemento tem a tendência a formar?
+
2+
3+
2-
-
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na reação química do cálcio com a água forma-se apenas um produto .
Verdadeiro
Falso
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A substância responsável pelo aparecimento da cor rosa carmim é....
Hidrogénio
Água
Hidróxido de cálcio
cálcio
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O aparecimento de bolhas gasosas é devido à formação...
dióxido de carbono
oxigénio
hidrogénio
água gasosa
8.
OPEN ENDED QUESTION
3 mins • Ungraded
Escreve e acerta a equação química da reação.
Evaluate responses using AI:
OFF
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual dos seguintes elementos químicos é o menos reativo com a água?
Berílio
Cálcio
Magnésio
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