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 6
Changes around us
Changes and it's classifications
3.
Exothermic and endothermic changes
Exercise condition:
2
m.
Choose the correct answer:
1
.
__________ is an example of exothermic physical change.
Combustion
Freezing
2
.
The \(ΔH\) is __________ in exothermic reaction.
negative
positive
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!