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Which of the following materials fall in...

Which of the following materials fall in the category of a "pure substance"? Ice,Milk,Iron,Hydrochloric acid, Calcium oxide,Mercury, Brick, Wood,Air.

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Which of the following materials fall in the category of a "pure substance"? Air

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MBD-IS MATTER AROUND US PURE-Example
  1. Classify each of the following as a homogeneous or heterogeneous mixtu...

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  2. How would you confirm that a colourless liquid given to you is pure wa...

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  3. Which of the following materials fall in the category of a "pure subst...

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  4. Identify the solutions among the following mixtures : Soil,Sea water,A...

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  5. Classify the following into elements, compounds and mixtures : Sodium...

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  6. Which of the following are chemical changes ? Growth of a plant, Rust...

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  7. Define mixture. Give examples.

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  8. What are the types of mixtures ?

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  9. Give important characteristics of a mixture.

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  10. What are the various types of binary solutions based upon the physica...

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  11. State briefly how would you separate or name the process use to separa...

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  12. State briefly how would you separate or name the process use to separa...

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  13. State briefly how would you separate or name the process use to separa...

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  14. State briefly how would you separate or name the process use to separa...

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  15. Give important differences between a compound and a mixture.

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  16. How are mixtures classified on the basis of their physical states ?

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  17. Explain the following: Fractional crystallisation

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  18. Explain the following : Sublimation

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  19. Explain the following : Filtration

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  20. What is chromatography ? Why is it regarded as superior method of puri...

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