
Ameliorarea Solurilor
Authored by ROMAN ILINCA-MARIA
Chemistry
8th Grade
Used 1+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
pH-ul solului este cuprins între
4 și 8
5,6 și 7,2
5 și 7
2 și 6
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Ameliorarea solurilor acide se poate reliza folosind
calciu
apa
substanțe pe bază de calciu și magneziu
magneziu
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Reacția de neutralizare în prezența indicatorilor chimici este utilizată în
chimia organică
chimia fizică
chimia analitică
chimia anorganică
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Din reacția de neutralizare se formează
oxid acid+oxid bazic
un oxid
oxid acid+bază
sare+apă
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Este o reacție de neutralizare:
HCl+NaOH -> NaCl+H2O
NH3+HCl -> NH4Cl
Fe+CuSO4 -> FeSO4+Cu
2Al+Cr2O3 -> Al2O3+2Cr
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Plantele suportă mai ușor un sol acid.
Adevărat
Fals
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Solul nu conține particule minerale.
Adevarat
Fals
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