Login
Login
Sign up
Start
Mathmania
Teacher tutorials
TOP
Subjects
Bridge Course
Testworks
Subject updates
Ya+
News
Send feedback
See more
Contacts
About Us
Terms and Conditions
Privacy Policy
PDF chapter test
TRY NOW
Subjects
Science State Board
Class 8
Changes around us
Effects and indicators of chemical change
10.
Exothermic and endothermic changes: select the correct option
Exercise condition:
4
m.
Find the type of changes around us:
Answer variants:
Bikes
Hydrochloric acid
Neutralization rection
Acetone in open air
Exothermic change:
Endothermic change:
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!