Which reaction releases heat?
Anonymous Quiz
16%
Endothermic
79%
Exothermic
4%
Neutralization
1%
Precipitation
❤6
Oxidation is the process of?
Anonymous Quiz
49%
Gain of electrons
41%
Loss of electrons
8%
Gain of protons
2%
Loss of protons
❤5👍2
In the reaction CuO + H2 → Cu + H2O, which substance is reduced?
Anonymous Quiz
53%
CuO
16%
H2
24%
Cu
8%
H2O
❤10
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❤1
A reaction where a single compound breaks down into two or more products is?
Anonymous Quiz
16%
Combination
74%
Decomposition
5%
Displacement
5%
Double displacement
🐳4❤3🕊1
The reaction 2Na + Cl2 → 2NaCl is an example of?
Anonymous Quiz
10%
Decomposition
83%
Combination
5%
Displacement
2%
Oxidation
🕊4❤3
In double displacement reactions, what happens?
Anonymous Quiz
19%
Electrons are transferred
64%
Ions are exchanged
6%
Heat is absorbed
11%
Precipitate is formed always
❤4👍2🕊1
Which of the following is an endothermic reaction?
Anonymous Quiz
25%
Combustion
43%
Photosynthesis
24%
Respiration
8%
Neutralization
❤2👍2🕊1
The reaction Zn + CuSO4 → ZnSO4 + Cu is?
Anonymous Quiz
6%
Combination
9%
Decomposition
73%
Displacement
12%
Double displacement
❤1
❤5🎉1
Balancing chemical equations follows the law of?
Anonymous Quiz
81%
Conservation of mass
14%
Constant proportions
3%
Multiple proportions
2%
Avogadro's law
❤8🎉1
In the reaction 2H2O → 2H2 + O2, it is?
Anonymous Quiz
16%
Combination
70%
Decomposition
7%
Displacement
7%
Redox
❤2🔥1
Reducing agent is the one that?
Anonymous Quiz
40%
Gains electrons
49%
Loses electrons
8%
Gains protons
3%
Loses protons
❤7
The reaction between acid and base is?
Anonymous Quiz
84%
Neutralization
10%
Oxidation
3%
Reduction
3%
Precipitation
❤5