Login
Home
TOP
Send feedback
Login
Subjects
Chemistry CBSE Live product
Class 7 (2025-26)
The World of Metals and Non-metals
Revision II - The World of Metals and Non-metals
4.
General reaction of materials with water
Question:
2
m.
Select
the
suitable
answer for the given assertion and reason:
Assertion (A)
Phosphorus is highly reactive and catches fire when exposed to air
Reason (R)
Non-metals form acidic oxides
Both A and R are true and R is the correct explanation of A
Both A and R are true but R is not the correct explanation of A
A is true but R is false
A is false but R is true
Login
or
Fast registration
Previous task
Exit to the topic
Next task
Send feedback
Did you find an error?
Send it to us!
