
Questionário Química
Authored by Anne Gollmann
Chemistry
9th Grade
Used 2+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A fórmula química da água é:
H2CO3.
H3BO3.
H2O.
CO2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Único metal líquido é:
ferro
níquel
mercúrio
ouro
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Composto que, quando dissociado, produz cátion H+:
base
ácido
sal
óxido
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Composto alcalino de sabor adstringente, o mesmo que base:
hidróxido
ácido
sal
óxido
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
As bases possuem, em sua fórmula, o radical:
SO4
OH-
CO3
PO4
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Gases que são trocados entre a planta e o ambiente durante o processo da fotossíntese:
oxigênio e nitrogênio
oxigênio e gás carbônico
oxigênio e ozônio
gás carbônico e nitrogênio
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sais encontrados no leite:
ferro e o salitre
magnésio e potássio
cálcio e o fósforo
Iodo e o sódio
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