Question

Answer the question number 7 (a) to 7(d) on the basis of your understanding of the following passage and

related studied concepts.


7. A pure substance consist of single type of particles. Mixture consists of more than one kind of pure form of matter.

Mixture can be separated by physical methods but pure substances specially compounds cannot be separated into

chemical constituents by physical methods. Pure substances has same composition through out. Soil and soft drinks

are mixtures. Mixtures can be separated by various methods depending upon nature of substance present in it.

Solution is a homogenous mixture.

a) Name the process by which pure NaCl (Sodium Chloride) can be obtained from salt solution.

b) What are alloys – compounds or mixtures?

c)What is size of particles in solution?

d) What is solute and solvent in cold drinks?


someone answer fast​

Answer 1

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An energy transformation is the change of energy form one to another.