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Sudheer wants to make his vessels, which...

Sudheer wants to make his vessels, which are made of Brass and copper, clean and shiny. What suggestions you would like to give him?

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NCERT TELUGU-CHANGS AROUND US-EXERCISE
  1. Anurag appreciates the changes in ripe mango as “How nice its colour a...

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  2. Between Coastal and dry land areas, where is rusting of iron objects i...

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  3. Sudheer wants to make his vessels, which are made of Brass and copper,...

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  4. When you burn a piece of wood different changes take place. Analyse th...

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  5. When you burn a piece of wood different changes take place. Analyse th...

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  6. When you burn a piece of wood different changes take place. Analyse th...

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  7. When you burn a piece of wood different changes take place. Analyse th...

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  8. What are periodical changes ?

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  9. What are physical changes ?

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  10. Do you find any new material after burning ?

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  11. Are the materials present before burning and after burning the same ?

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  12. Can you name some changes which form new substances ?

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  13. Are there any other ways by which rusting of iron can be prevented ?

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  14. Do these articles handles of cycles etc. rust ? If not why ?

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  15. what is the percentage of sources of water on earth ?

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  16. How can we know that a given article is made up of iron or not ?

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  17. What is galvanization?

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  18. What do you observe on the cut pieces of fruits and vegetables? Why do...

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  19. How can we prevent browning of cut vegetables and fruits?

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  20. Does the ash formed look like Magnesium ribbon?

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