Which type of reaction is:
H2 + O2 → H2O
Unit 3 Equations
8th - 9th Grade
•35 Qs
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Unit 3 Equations
Quiz
•
Science
•
8th - 9th Grade
•
Hard
Alex Thomas
FREE Resource
35 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Synthesis
Decomposition
Single replacement
Double replacement
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of reaction is:
NiCl2 → Ni + Cl2
Synthesis
Decomposition
Single replacement
Double replacement
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which type of reaction is:
NH3 + HCl → NH4Cl
Synthesis
Decomposition
Single replacement
Double replacement
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of reaction is:
Al(OH)3 → Al2O3 + H2O
Decomposition
Double replacement
Synthesis
Single replacement
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an exothermic reaction, energy is __________.
taken in or absorbed
given out or released
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an endothermic reaction, energy is __________.
taken in or absorbed
given out or released
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of reaction occurs in a hand warmer?
Exothermic
Endothermic
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