What do you know about chemical reactions? A chemical reaction is a route that leads to the transformation of one group of chemical substances to another. Chemical reactions exemplify changes that only involve electrons' positions in the developing and breaking of chemical bonds among atoms, with no change to the nuclei. This quiz will give you a positive reaction of happiness when you pass with flying colors.
Iron rusting
Paper burning
Water freezing
Dynamite exploding
A different substance
Reactants
A change of state
Water
Subscripts
Coefficients
Chemical formulas
Location of the arrow
Iron oxide
Iron and iron oxide
Iron and oxygen
Oxygen and iron oxide
6
12
18
45
2
4
8
12
Ice + heat --> water
Iron + oxygen --> rust
CO2
C + O2 --> CO2
Put a 2 in front of Ag
Add a subscript 2 to the end of Ag2O
Add a 4 in front of Ag and a 2 in front of Ag2O
Add a 2 in front of Ag and a 1 in front of Ag2O
A reaction is happening.
The two sides are equal.
The products flow into reactants.
The equation is balanced.
7 grams
4 grams
11 grams
None
Pasteur
Archimedes
Galileo
Lavoisier
The number of molecules of product
The identity of the compound
The atomic number
The mass of the reactants
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