
Procentu darbs par reakciju veidiem

Quiz
•
Chemistry
•
10th Grade
•
Medium
Jurģis Milaknis
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reakcijas veids, kurā apvienojas divas vai vairākas vienkāršākas vielas, veidojot vienu sarežģītāku vielu
Sadalīšanās reakcija
Apmaiņas reakcija
Savienošanās reakcija
Aizvietošanās reakcija
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tiešā reakcija ir reakcija, kurā produkti pārvēršas par izejvielām.
Patiesi
Aplami
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kura no dotajām ir aizvietošanās reakcija?
Zn + 2HCl → ZnCl₂ + H₂
HCl + NaOH → NaCl + H₂O
2H₂ + O₂ → 2H₂O
CaCO₃ → CaO + CO₂
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kāda ir aizvietošanās reakciju galvenā īpašība?
Tiek absorbēts siltums
Piedalās divi savienojumi
Piedalās viens elements un viens savienojums
Veidojas viens savienojums
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kāda ir apmaiņas reakcijas galvenā pazīme?
Piedalās viens elements
Reakcija ir vienvirziena
Piedalās divi savienojumi, apmainoties sastāvdaļām
Reakcijā rodas tikai gāze
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kas notiek eksotermiskās reakcijās?
Tiek absorbēts siltums
Izdalās siltumenerģija
Reakcija atdziest
Temperatūra pazeminās
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kura no reakcijām ir eksotermiska reakcija?
Sadalīšanās ar siltumu
Elektrolīze
Fotosintēze
Degšana
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