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Which of the following are chemical chan...

Which of the following are chemical changes ? Growth of a plant, Rusting of iron ,Mixing of iron filings and sand ,Cooking of food , Digestion of food , Freezing of water,Burning of a candle.

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MBD-IS MATTER AROUND US PURE-Example
  1. Identify the solutions among the following mixtures : Soil,Sea water,A...

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

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

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  4. Define mixture. Give examples.

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  5. What are the types of mixtures ?

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  6. Give important characteristics of a mixture.

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

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

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

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

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

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

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

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  14. Explain the following: Fractional crystallisation

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  15. Explain the following : Sublimation

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  16. Explain the following : Filtration

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

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  18. What is the principle of chromatographic separation ? Name the differe...

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  19. How will you separate gas-gas mixtures ?

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  20. What are the various types of colloidal solutions based upon the physi...

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