Substanţele care intră într-o reacţie chimică (care reacţionează între ele) se numesc:
Anca G

Quiz
•
Chemistry
•
8th Grade
•
Easy
Anca G
Used 1+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
În cazul reacţiei dintre fier şi sulfat de cupru:
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reprezintă o reacție chimică:
spargerea unui geam
arderea magneziului
sublimarea
dizolvarea
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alegeţi ecuaţia scrisă corect:
Mg + O2 → MgO
Mg + O2 → 2MgO
2Mg + O2 → 2MgO
2Mg + O2 → MgO
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Coeficienţii care asigură respectarea legii conservării numărului de atomi pentru pentru ecuaţia reacţiei
Al + S → Al2S3
sunt (în ordine):
3,2,1
2,3,1
2,3,2
2,1,3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
În reacţia:
zinc + acid clorhidric → clorură de zinc + hidrogen,
produşii de reacţie sunt:
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
În 4 molecule de sulfat de aluminiu, 4Al2(SO4)3 se găsesc:
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reprezentarea unei reacții chimice cu ajutorul simbolurilor și al formulelor chimice se numește:
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
În reacția: NaCl + H2SO4 , produșii rezultați sunt:
Similar Resources on Quizizz
13 questions
REACTIE DE COMBINARE

Quiz
•
8th Grade
10 questions
Baze

Quiz
•
8th Grade
10 questions
Formule ale substantelor chimice

Quiz
•
8th Grade
8 questions
Ecuațiile reacțiilor chimice

Quiz
•
8th Grade
10 questions
1- Il bilanciamento delle reazioni

Quiz
•
8th Grade
10 questions
Acizi

Quiz
•
8th Grade
14 questions
7 Acizi

Quiz
•
7th - 8th Grade
10 questions
Reacții chimice. Ecuații chimice

Quiz
•
8th Grade
Popular Resources on Quizizz
15 questions
Multiplication Facts

Quiz
•
4th Grade
25 questions
SS Combined Advisory Quiz

Quiz
•
6th - 8th Grade
40 questions
Week 4 Student In Class Practice Set

Quiz
•
9th - 12th Grade
40 questions
SOL: ILE DNA Tech, Gen, Evol 2025

Quiz
•
9th - 12th Grade
20 questions
NC Universities (R2H)

Quiz
•
9th - 12th Grade
15 questions
June Review Quiz

Quiz
•
Professional Development
20 questions
Congruent and Similar Triangles

Quiz
•
8th Grade
25 questions
Triangle Inequalities

Quiz
•
10th - 12th Grade
Discover more resources for Chemistry
25 questions
SS Combined Advisory Quiz

Quiz
•
6th - 8th Grade
20 questions
Congruent and Similar Triangles

Quiz
•
8th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
6 questions
Earth's energy budget and the greenhouse effect

Lesson
•
6th - 8th Grade
15 questions
SMART Goals

Quiz
•
8th - 12th Grade
20 questions
Lesson: Slope and Y-intercept from a graph

Quiz
•
8th Grade