Question

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Answer 1

Answer:

1) first ,second(pure substance),third are the 3 substances

Answer 2

Answer:

1. It is a mixture as it can be seperated easily by physical process

2. Properties of third substance are..

•they have no fixed composition

•Shows properties of its components

•no fixed melting and boiling point

3. 2 nd substance is a compound

•they have fixed composition

•have fixed melting and boiling point

•cannot be separated by physical process

4. 1st one.. sodium, oxygen

2nd one... nacl (sodium chloride)

3rd one... salt solution

5. types of mixtures are

hetrogeneous and homogeneous

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