Reactions
Flashcard
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
Student preview
15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What are the reactants in the equation 2Mg + O2 -> 2MgO?
Back
The reactants are Mg and O2.
2.
FLASHCARD QUESTION
Front
How many Hydrogen atoms are in 4H2O?
Back
There are 8 Hydrogen atoms.
3.
FLASHCARD QUESTION
Front
According to the law of conservation of mass, if 5 grams of Oxygen completely reacted with 10 grams of Hydrogen, how many grams of water should be produced?
Back
15 grams of water should be produced.
4.
FLASHCARD QUESTION
Front
Is the equation Al + O2 -> 2Al2O3 balanced?
Back
No, it is not balanced.
5.
FLASHCARD QUESTION
Front
Balance the equation: _Al + _HCl -> _H2 + _AlCl3
Back
2, 6, 3, 2.
6.
FLASHCARD QUESTION
Front
What is a chemical reaction?
Back
A process where reactants transform into products.
7.
FLASHCARD QUESTION
Front
Define a balanced chemical equation.
Back
A chemical equation where the number of atoms for each element is the same on both sides.
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?
