7~ Chemical Changes
Chemistry
5th - 8th Grade
NGSS covered
Used 30+ times
AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A chemical change is different than a physical change because in a chemical change
Chemicals are used
Molecules do not physically touch
A new substance is formed and in a physical change no new substance is formed
The change can be seen but in a physical change it cannot
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a chemical reaction
The atoms of the reactants always stay together to form the products
The atoms of the reactants unbond, rearrange, and then rebond to form the products
Completely new atoms are formed which combine to make the products
Some atoms disappear while others multiply to form the products
Tags
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a chemical reaction, mass is conserved. This means that
The mass of the reactants stays the same during a chemical reaction
The mass of the products stays the same during a chemical reaction
The type and number of atoms in the reactants equals the type and number of atoms in the products
The mass of the products is always twice the mass of the reactants
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If the reactants on the left side of a chemical equation are C3H8 + 5O2, the products in a balanced equation could be
4CO2 + 3H2O
3CO2 + 4H2O
2CO2 + 3H2O
3CO + 4H2O
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
One clue of a chemical change is the formation of a precipitate. A precipitate is formed when
Two liquids react and a gas is produced
A solid dissolves in a liquid
One liquid dissolves in another
Two liquids react and a solid is formed
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The PH Scale
tells you the acidity or basicity of a liquid
tells you how much of a chemical reaction occurred
describes the atoms of a physical change
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following about the PH Scale is true.
Acids are from 0-7, Bases are from 7-14, and 0 is neutral
Bases are from 0-7, Acids are from 7-14, and 7 is neutral
Acids are from 0-7, Bases are from 7-14, and 7 is neutral
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?
