1. Differentiate between homogen-
eous and heterogeneous mixtures
with examples.
2. How are sol, solution and
suspension different from each
other?
3. To make a saturated solution,
36 g of sodium chloride is dissolved
in 100 g of water at 293 K.
Find its concentration at this
temperature.
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Answers
2What is a Homogeneous Mixture?
These are the types of mixtures in which the components mixed are uniformly distributed throughout the mixture. In other words, “they are uniform throughout”. We can observe only one phase of matter in a homogeneous mixture. Key points regarding such mixtures are:
Particles are distributed uniformly
We can’t judge a homogeneous mixture by just seeing it
Homogeneous mixtures are also called solutions
Uniform composition
Example: rainwater, vinegar, etc.
What is Heterogeneous Mixture?
This is a type of mixture in which all the components are completely mixed and all the particles can be seen under a microscope. We can easily identify the components and more than one phase can be seen by naked eyes.
Key points regarding this type of mixture:
Particles are distributed non uniformly
We can judge a heterogeneous mixture by just seeing it
Non-uniform composition
Example: seawater, pizza, etc.
2 sol is a heterogeneous mixture. They are quite stable in nature. Suspension: These are a heterogeneous mixture.
3