analiza calitativă și cantitativă
Quiz
•
Instructional Technology
•
1st Grade
•
Practice Problem
•
Hard
Ionela Ganu
Used 6+ times
FREE Resource
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11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Analiza calitativă care se efectuiază pe cale uscată cu substanțe solide poartă denumirea de
analiză calitativă
analiză preliminară
analiză fracționată
analiză cantitativă
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reacțiile chimice care stau la baza analizelor calitative și care se clasifică după sensul de desfășurare sunt:
reacții ireversibile
reacții cu schimb de protoni
reacții cu schimb de electroni
reacții pe cale uscată
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Materia primă luată pentru probă se ia în cantitate de..............................?
1-2 kg
3-4 kg
5-6 kg
1kg
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Materialul mărunțit se întinde pe o suprafață sub formă de................
romb
pătrat
dreptunghi
cerc
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este reactivul de grupei I
acid sufluric
acid azotic
acid clorhidric
hidrogen sulfurat
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce sunt cationii?
ionii negativi
ionii neutri
ionii pozitivi
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Care sunt cationii grupei I
Ag
Cu
Ca
Pb
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