Login
Home
TOP
Send feedback
Login
Subjects
Science CBSE Homework Assignments
Class 9
Is matter around us pure?
Pure and impure substances
3.
Purity of the matter
Question:
4
m.
Choose the best answer:
James encounters posters labelled "pure water" and "pure gold," even though these substances are impure. What does "purity of a substance" mean?
Pure substance
No chemicals
Heavily purified
None of these
Login
or
Fast registration
Previous task
Exit to the topic
Next task
Send feedback
Did you find an error?
Send it to us!