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 9
Matter around us
Textbook questions
1.
Choose the correct answer I
Exercise condition:
3
m.
1.
The separation of denser particles from lighter particles done by rotation at high speed is called __________.
Centrifugation
Sedimentation
Filtration
Decantation
2.
Among the following __________ is a mixture.
Carbon dioxide
Pure Silver
Juice
Common Salt
3.
When we mix a drop of ink in water we get a __________.
Suspension
Compound
Heterogeneous Mixture
Homogeneous Mixture
Login
or
Fast registration
Previous topic
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!