Question

D. Write the true or false
4. In a mixture, each constituent exhibits its original properties.
5. A mixture is said to be heterogeneous if its constituents are uniformly mixed and it has the same
properties throughout.
6. The formation of a mixture does not involve any change in energy.
7. The process of sublimation is used on a large scale to obtain common salt from sea water.
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Answer 1

Answer:

4:true

5:false

6:false

7:true

Answer 2

Answer: 4. False (a mixture has a definite set of properties different than the original constituents)

5. False (the particles or constituents of a heterogeneous mixture are not uniformly mixed through out)

6. True

7. True

Explanation: