Check Yourself: - 1. What do you understand by the term Mixture? 2. Write the differences between Homogeneous and Heterogeneous mixtures with examples. 3. Categorise the following as Homogeneous and Heterogeneous mixtures: Mixture of Chalk and soil, mixture of Wheat Flour and water, Soda Water and alloys. 4. Which type of mixture is Air? Explain.
Answers
Answer:
1. What do you understand by the term Mixture?
A mixture is the physical combination of two or more substances in which the identities are retained and are mixed in the form of solutions, suspensions and colloids. ... Some mixtures can be separated into their components by using physical (mechanical or thermal) means.
2. Write the differences between Homogeneous and Heterogeneous mixtures with examples.
A homogeneous mixture is a solid, liquid or gaseous mixture that has the same proportions of its components throughout any given sample. Conversely, a heterogeneous mixture has components in which proportions vary throughout the sample.
4. Which type of mixture is Air? Explain.
Air is a homogeneous mixture of the gaseous substances nitrogen, oxygen, and smaller amounts of other substances. Salt, sugar, and many other substances dissolve in water to form homogeneous mixtures.