10 Questions
When does a chemical reaction take place only when the reactants are in contact with each other?
Close physical contact
What conditions are necessary for a chemical reaction to take place?
Close physical contact, solution form, heat, light, catalyst, electricity, pressure
In what form do some substances react with each other?
Solution form
What can increase or decrease the speed of some chemical reactions?
Catalyst
What is a chemical equation?
A symbolic representation of a chemical reaction
What does a chemical equation represent?
The conservation of mass
What information does a chemical equation provide?
The stoichiometry of the reaction
What is the purpose of a chemical equation?
To provide a symbolic representation of a chemical reaction.
How is a chemical reaction represented in a chemical equation?
In the form of symbols and formulas.
What does an equation provide for a chemical reaction?
An equation provides a symbolic representation of the reaction.
Test your knowledge about chemical reactions and equations with this quiz. Explore the conditions necessary for a chemical reaction to take place, the factors that can affect the speed of reactions, and the symbolic representation of reactions in the form of chemical equations.
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