
Fósforo
Quiz
•
Other
•
10th Grade
•
Practice Problem
•
Hard
Jesus Cabrera
Used 14+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Las unidades de los fertilizantes son:
N,P,K
N,P2O5,K2O
N, P2O5,K
NO3-,P2O5,K2O
2.
FILL IN THE BLANK QUESTION
1 min • 5 pts
(P2O5) Este compuesto se llama óxido
3.
MULTIPLE CHOICE QUESTION
30 sec • 7 pts
El factor de conversión del fósforo a óxido fosfórico es 2,3.
Juan, un agricultor, tiene 180 Kg. de fósforo ¿Cuál es el equivalente en óxido fosfórico?
180 Kg
78,26 kg
414 Kg
4.
MULTIPLE CHOICE QUESTION
30 sec • 7 pts
La roca fosfórica tiene 30 % de riqueza de P2O5.
¿Cuántos Kg. de P2O5 hay en 700 Kg de roca fosfórica?
21 Kg
210 Kg
2333 Kg
5.
MULTIPLE CHOICE QUESTION
30 sec • 8 pts
Complete:
La deficiencia en fósforo afecta al ______________ vegetal en general. Sus síntomas usuales son la lentitud o el cese del crecimiento de la planta.
metabolismo
decrece
crece
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
El factor de conversión del fósforo a óxido fosfórico es 2,3.
Juan, un agricultor, tiene 2300 Kg. de óxido fosfórico ¿Cuál es el equivalente en fosforo?
2300 Kg
5290 kg
1000 Kg
7.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Para un cultivo se requiere 235 kg/ha de óxido fosfórico (P2O5), y se tiene como fertilizante el Superfosfato (cuya riqueza es 46 % P2O5)
¿Cuántos kilogramos/ha de superfosfato hay que comprar?
540,5
108,1
510,9
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