EXAME QUIMICA 11 ANO

Quiz
•
Chemistry
•
2nd Grade
•
Medium
Nelson Waiteky
Used 10+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Os adubus fertelizantes necessarios em maior quantidades chamados...........
Nutrientes
Micronutrientes
Fertelizados
Macronutrientes
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A percentagem total dos compostos glucose (C6 H12 O6) ,Dados Ar (C) = 12 ; Ar (H) = 1; Ar (O) = 16. a massa molar do glucose é 176 g mol-1 é...............
4,5 %
41,0 %
54,5 %
100 %
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A unidade da grandeza quantidade de material é...................
mol
Kg
g/mol
dm
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Nas Condições Normais de Temperatura e Pressão (CNTP), ou seja, à pressão de 1 atm e temperature de 273 K, o que corresponde, aproximadamente o valor do volume molar (Vm) é.....................
2,24 dm3
0,22 dm3
0,224 dm3
22,4 dm3
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
O valor constante de Avogadro é...............................
6002 x 1023 mol-1
6,002 x 1023 mol-1
6,02 x 1023 mol-1
6,20 x 1023 mol-1
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A massa atomo relativa do cloro (Cl)é..............................
354,5 u
35,45 u
3,545 u
34,45 u
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A percentagem do elemento O dos compostos glucose (C6 H12 O6) ,Dados Ar (C) = 12 ; Ar (H) = 1; Ar (O) = 16. a massa molar do glucose é 176 g mol-1 é...............
41,0 %
54,5 %
100 %
4,5 %
41,0 %
100 %
54,5 %
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