Drag each statement to the correct location on the chart.
Classify the sentences based on the chemical reactions they describe.
When a clam shell (CaCO3)
is heated, carbon dioxide
(CO2) is given off and a
white powder, calcium
oxide (CaO), forms.>

Zinc (Zn) metal reacts
with copper sulfate
(Cu₂SO4) to give zinc
sulfate (ZnSO4) and
copper (Cu).
Nitrogen pentoxide
(N2O5) is an unstable
gas that changes to
nitrogen dioxide (NO2)
and oxygen (O2) at
room temperature.

A strip of magnesium (Mg)
burns brightly in
oxygen (O2) to form
a white powder,
magnesium oxide (MgO).
Sodium (Na) reacts with
chlorine (CI) to give
sodium chloride (NaCl).

On heating iron ore
(Fe2O3) with carbon (C).
we get iron (Fe) and
carbon dioxide (CO2).

Synthesis
Decomposition
Replacemen are the tree categories.
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