A mixture is heterogeneous and shows Tyndall effect. It stops showing Tyndall effect after it has been kept for some time. Which of the following about this mixture is correct?
1
It is a colloid which changes into a solution on keeping for some time.
2
It is a suspension which does not scatter light when its particles settle down.
3
It is a colloid which stops scattering light as it changes into a suspension.
4
It is a suspension which changes into a solution on keeping for some time.