
Compostos de carbono e miscibilidade
Authored by Professor Prof
Science
10th Grade
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36 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
São hidrocarbonetos, exceto:
alcano
alceno
alcino
ciclino
benzeno
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Os alcinos são hidrocarbonetos:
alifáticos saturados.
alicíclicos saturados.
insaturados com dupla ligação.
insaturados com tripla ligação.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Considere as seguintes afirmações:
I) hidrocarbonetos são compostos orgânicos constituídos somente de carbono e hidrogénio.
II) são chamados de alcenos somente os hidrocarbonetos insaturados de cadeia linear.
III) cicloalcanos são hidrocarbonetos saturados de fórmula geral CnH2n.
IV) São hidrocarbonetos aromáticos: bromobenzeno e clorobenzeno.
São corretas as afirmações:
I e III
I, III e IV
II e III
III e IV
I, II e IV
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
O gás liquefeito de petróleo, GLP, é uma mistura de propano, C3H8, e butano, C4H10. Logo, esse gás é uma mistura de hidrocarbonetos que pertence aos:
alcanos.
alcenos.
alcinos.
cicloalcanos.
cicloalcenos.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
No rótulo de um solvente comercial existe a informação de que contém apenas hidrocarbonetos insaturados. A partir dessa informação conclui-se que o solvente não terá na sua constituição o:
tolueno.
n-hexano.
heptano.
ciclohexano.
pentano.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O hidrocarboneto que apresenta um menor número de átomos de H é:
metano.
etano.
eteno.
etino.
propino.
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
A respeito do composto orgânico chamado metano, assinale as alternativas corretas:
é um hidrocarboneto.
é o chamado "gás dos pântanos"
é um componente fundamental do gás natural
é o biogás, produzido por fermentação aeróbia, nos biodigestores.
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