Choose the correct answer based on the following questions:
1. It was an evening. Tanya saw some path of light through the window gap inside her room. It was sunlight. She saw some tiny substances scattering light. What is the phenomenon responsible here?
2.In a laboratory exam, the examiner asked Sheena to do separation of colloidal solution. She got confused with the different types of separation techniques available. Which technique is used to separate colloidal solutions?