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WorksheetsUnit 1, Topic 2 - Properties and Changes in Matter
Total questions: 10
Worksheet time: 5mins
mass, volume, color, odor, size, texture....
physical properties
chemical properties
reactivity, flammability...
physical properties
chemical properties
ripping paper, crushing a can, making a mixture...
physical changes
chemical changes
cooking, burning, rotting...
physical changes
chemical changes
NaOH + HCl --> NaCl + H2O
The reactants are ....
NaOH and HCl
NaCl and H2O
NaHCO3 + HC2H3O2 --> NaC2H3O2 + CO2 + H2O
The products are...
NaHCO3 and HC2H3O2
NaC2H3O2 + CO2 + H2O
When salt dissolves in water, a salt water mixture is made. This is an example of
a physical change.
a chemical change.
When a piece of magnesium is placed in hydrochloric acid, hydrogen gas bubbles form and heat is produced. This is an example of
a physical change.
a chemical change.
During a physical change, the chemical composition of a substance changes.
True
False
Chemical changes result in physical changes, too.
True
False
