
Chemical reaction pre flashcard
Flashcard
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is a balanced chemical equation?
Back
A balanced chemical equation has the same number of each type of atom on both sides of the equation, indicating that mass is conserved during the reaction.
2.
FLASHCARD QUESTION
Front
What does the chemical formula KClO3 represent?
Back
The formula KClO3 indicates that each formula unit contains 1 potassium (K) atom, 1 chlorine (Cl) atom, and 3 oxygen (O) atoms.
3.
FLASHCARD QUESTION
Front
What type of reaction is represented by C4H10 + O2 ➞ CO2 + H2O?
Back
This is a combustion reaction, where a hydrocarbon reacts with oxygen to produce carbon dioxide and water.
4.
FLASHCARD QUESTION
Front
How do you balance the equation CaO + H2O ➞ Ca(OH)2?
Back
The correct coefficients to balance the equation are 1 for CaO, 2 for H2O, and 1 for Ca(OH)2.
5.
FLASHCARD QUESTION
Front
What type of reaction is MgO + HCl ➞ MgCl2 + H2O?
Back
This is a double replacement reaction, where two compounds exchange components.
6.
FLASHCARD QUESTION
Front
What is the law of conservation of mass?
Back
The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.
7.
FLASHCARD QUESTION
Front
What is a synthesis reaction?
Back
A synthesis reaction is a type of chemical reaction where two or more simple substances combine to form a more complex product.
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
Already have an account?