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Which of the following would be an example of a physical change?
Both of These
chemical equation
synthesis
products
physical change
synthesis
reactants
Water evaporating
In which of the following circumstances, can you infer that a chemical reaction has occurred?
Both of These
chemical equation
synthesis
products
physical change
synthesis
reactants
Water evaporating
The substances produced by the chemical reaction are referred to as ____________.
Both of These
chemical equation
synthesis
products
physical change
synthesis
reactants
Water evaporating
Magnesium reacts with Oxygen in the air and forms Magnesium Oxide. The previous sentence describes what kind of reaction?
Both of These
chemical equation
synthesis
products
physical change
synthesis
reactants
Water evaporating
A _____________________ is a description of a reaction using element symbols and chemical formulas.
Both of These
chemical equation
synthesis
products
physical change
synthesis
reactants
Water evaporating
A ________________ reaction is a type of chemical reaction in which two or more substances combine to from one compound.
Both of These
chemical equation
synthesis
products
physical change
synthesis
reactants
Water evaporating
The starting substances in a chemical reaction are referred to as _______________.
Both of These
chemical equation
synthesis
products
physical change
synthesis
reactants
Water evaporating
A ________________ DOES NOT produce new substances or products.
Both of These
chemical equation
synthesis
products
physical change
synthesis
reactants
Water evaporating
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