
Reactia solului
Authored by Shosha Stein
Other
12th Grade
Used 9+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Compozitia elementara a solutiei solului este :
a) Ca, H, I, S, HCl;
b) HNO3, Na, Li, F, CO;
c) N, P, K,Ca, Mg, Fe, S, etc;
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Azotitii, azotatii, clorurile, sulfatii, fosfatii, carbonatii, amoniacul sunt compusi ai solului:
a) organici
b) minerali
c) coloidali
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Compusii aflati in dipersie coloidala sunt:
a) zaharurile
b) NaCl, CaCl2, KNO3,
c) acizii humici, Fe(OH)3, Al(OH)3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solutia solului este o solutie apoasa diluata ce contine dizolvati:
a) compusi cu azot, fosfor;
b) compusi minerali si organici;
c) compusi ionici;
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solutia solului contine compusi aflati in dispersie :
a) ionica, moleculara, coloidala;
b) numai coloidala;
c) numai ionica si moleculara;
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solul care contine substante cu caracter bazic va avea o reactie
Acida
Alcalina
Neutra
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Acizii humici, aminoacizii, acidul acetic, tartric succinic sunt compusi anorganici;
Adevarat
Fals
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