Name: Separation Techniques
Uploaded: 2019-07-19
Duration: 6 min 9 s
Description: In our everyday life, we find situations where the components of a mixture need to be separated. Let’s explore a few of the separation processes!

Question

Identify whether the given substance is mixture or compound and justify your answer.1.Sand and water 2.Sand and iron filings 3. Concrete 4. Water and oil 5. Salad 6. Water 7. Carbon dioxide 8. Cement 9. Alcohol.

Accepted Answer

S.No. Substance Mixture / Compound Justification

1 Sand and water Mixture It can be separated by filtration or sedimentation and decantation

S.No. Substance Mixture / Compound Justification

2 Sand and iron filings Mixture It can be separated by magnetic separation method

S.No. Substance Mixture / Compound Justification

3 Concrete Mixture Ingredients are mixed together and it can be separated.

S.No. Substance Mixture / Compound Justification

4 Water and oil Mixture Being immiscible it can be separated using a separating funnel.

S.No. Substance Mixture / Compound Justification

5 Salad Mixture The components in salad can be separated physically

S.No. Substance Mixture / Compound Justification

6 Water Compound Hydrogen and oxygen are combined chemically in a fixed proportion.

S.No. Substance Mixture / Compound Justification

7 Carbon dioxide Compound Carbon and oxygen combine in a fixed proportion to form this compound.

S.No. Substance Mixture / Compound Justification

8 Cement Compound Different elements are combined in a fixed proportion

S.No. Substance Mixture / Compound Justification

9 Alcohol compound
Alcohols are the class of compound, which have usually $- OH$ functional group, and we cannot separate the components of alcohol by physical means.

Note : Alcoholic drinks are mixtures.

S.No. Substance Mixture / Compound Justification

1 Sand and water Mixture It can be separated by filtration

2 Sand and iron filings Mixture It can be separated by magnetic separation method

3 Concrete Mixture Ingredients are mixed together and it can be separated.

4 Water and oil Mixture Being immiscible it can be separated using a separating funnel.

5 Salad Mixture The components in salad can be separated physically

6 Water Compound Hydrogen and oxygen are combined chemically in a fixed proportion.

7 Carbon dioxide Compound Carbon and oxygen combine in a fixed proportion to form this compound.

8 Cement Compound Different elements are combined in a fixed proportion

9 Alcohol Compound
Alcohols are the class of compound, which have usually $- OH$ functional group and we cannot separate the components of alcohol by physical means.

Note : Alcoholic drinks are mixtures.

Identify whether the given substance is mixture or compound and justify your answer.1.Sand and water 2.Sand and iron filings 3. Concrete 4. Water and oil 5. Salad 6. Water 7. Carbon dioxide 8. Cement 9. Alcohol.

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