Login
Login
Sign up
Home
TOP
Send feedback
See more
Terms and Conditions
Privacy Policy
Subjects
Science CBSE Homework Assignments
Class 10
Metals and Non-Metals
Formation of metal oxide
1.
Reaction of metals with oxygen
Task:
3
m.
1
.
Potassium reacts so quickly with oxygen that it easily catches fire.
Correct
Incorrect
2
.
When copper is heated, it does not burn; instead, a black film develops on the copper's surface. This black film is copper oxide.
Correct
Incorrect
3
.
Zinc oxide acts as both an acid and base.
Incorrect
Correct
Login
or
Fast registration
Previous topic
Exit to the topic
Next task
Send feedback
Did you find an error?
Send it to us!