Categorizing and Balancing Chemical Reactions

Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
Wayground Content
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What does the arrow in a chemical equation represent?
It indicates the temperature of the reaction.
It shows the physical state of the reactants.
It represents the direction of the reaction, indicating that reactants yield products.
It denotes the time taken for the reaction to complete.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What are products in a chemical equation?
Substances that are present before a chemical reaction occurs.
Substances that are formed as a result of a chemical reaction, found on the right side of a chemical equation.
Substances that are used to initiate a chemical reaction.
Substances that are always gases in a chemical reaction.
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What are reactants in a chemical equation?
Substances that are produced in a reaction, found on the right side of a chemical equation.
Substances that undergo a chemical change in a reaction, found on the left side of a chemical equation.
Substances that do not change during a reaction, found on the right side of a chemical equation.
Substances that are catalysts in a reaction, found on the left side of a chemical equation.
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the role of catalysts in chemical reactions?
Catalysts are substances that slow down a chemical reaction.
Catalysts are substances that speed up a chemical reaction without being consumed in the process.
Catalysts are used to change the color of the reactants.
Catalysts are substances that are consumed during the reaction.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is a double displacement reaction?
A reaction where two compounds exchange ions to form two new compounds.
A reaction that involves the breaking of chemical bonds without any exchange of ions.
A reaction that occurs only in gaseous states.
A reaction that involves the combination of two elements to form a compound.
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the significance of balancing chemical equations?
It allows for the creation of new elements.
It reflects the conservation of mass and allows for accurate stoichiometric calculations.
It simplifies the process of chemical reactions.
It helps in predicting the color of chemical reactions.
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What are subscripts in a chemical formula?
Subscripts are the large numbers indicating the mass of an element in a molecule.
Subscripts are the small numbers written after an element that indicate the number of atoms of that element in a molecule.
Subscripts are symbols that represent the type of chemical reaction occurring.
Subscripts are the numbers that show the charge of an ion in a compound.
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