Question

please help me give reason. 1. Salt solution is called a homogeneous mixture. 2. Brass is a homogenous mixture 3. Muddy water is a heterogeneous mixture. 4. Evaporation is used to separate salt from a salt solution. 5. SI units are used for scientific measurement.​

Answer 1

Answer:

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Answer 2

Answer:

1. Salt is homogeneous as it forms a uniform mixture
2. Brass is a alloy and hence homogeneous
3. muddy water is hetergeneous as it forms a mud layer at the bottom and hence isnt uniform composition
4. As water evaporates easily evaporation is used to separate salt from salt solution
5. Si units are standard units used worldwide

Explanation:

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