Reacții redox

Reacții redox

8th Grade

10 Qs

quiz-placeholder

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Reacții redox

Reacții redox

Assessment

Quiz

Science

8th Grade

Practice Problem

Medium

Created by

Raluca Iordache

Used 5+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 mins • 10 pts

În KClO4, clorul are numărul de oxidare:

-1
+7
+1
+5

2.

MULTIPLE SELECT QUESTION

10 mins • 10 pts

Al este agent oxidant
Al este agent reducător

V2O5 este agent oxidant

V2O5 este agent reducător

3.

MULTIPLE CHOICE QUESTION

10 mins • 10 pts

În ce compus sulful are N.O. = +6

SO2

KHSO4

MgSO3

S8

4.

FILL IN THE BLANK QUESTION

10 mins • 10 pts

În urma exploziei unui amestec de azotat de potasiu și grafit se formează azot, dioxid de carbon și carbonat de potasiu. În ce raport molar trebuie să fie amestecat azotatul de potasiu și carbonul în amestecul exploziv?

5.

MULTIPLE CHOICE QUESTION

10 mins • 10 pts

a=3
b=2
d=3
d=4

6.

MULTIPLE SELECT QUESTION

10 mins • 10 pts

a=3
b=2
d=4
e=3

7.

FILL IN THE BLANK QUESTION

10 mins • 10 pts

Oxidarea este procesul care are loc cu....... de electroni

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