Calcarul are formula:

TEST CHIMIE GENERALĂ cl9

Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
Raducu Galeru
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ca(OH)2;
CaO
CaCO3;
CaC2;
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Nucleul conține:
Protoni;
Neutroni;
Electroni;
Orbitali.
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Gaze rare sunt:
Argon;
Heliu;
Neon;
Hidrogen.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ionul cupric are sarcina:
+1;
+2;
+3;
-1.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Randamentul are formula de calcul:
(Cp/Ct)*100;
(Ct/Cp)*100;
(Ca/Ct)*100;
(ms/md)*100;
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Prin condiții normale se înțelege:
p=1atm; T=273K.
p=760 mmHg; T=273K.
p=1atm; t= 0oC.
p=1atm; T=298K.
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Elementul caracterizat de Z= 11, A= 23 are:
11 protoni, 11 electroni și 12 neutroni.
11 protoni, 11 electroni și 23 neutroni.
23 protoni, 23 electroni și 11 neutroni.
11 protoni, 12 neutroni, 11 electroni
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