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How can you change the state of a substa...

How can you change the state of a substance?

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NCERT TELUGU-CHANGS AROUND US-EXERCISE
  1. What diseases caused by untreated water ?

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  2. 2005-2015 decade declared as what?

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  3. How can you change the state of a substance?

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  4. Carpenter made a chair using wood, what type of change is it?

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  5. What is galvanization?

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  6. What happens, when a hot saturated solution (called super saturated so...

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  7. What happens when you burn camphor?

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  8. What happens when you put a small quantity of Camphor in a dish and pl...

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  9. What are the changes observed, when small piece of woodpaper and cotto...

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  10. Mention some physical changes you observe in your daily life.

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  11. Explain what are physical and chemical changes: Give examples.

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  12. How do you make crystallization of urea?

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  13. Ice convert((heat))to water convert((heat)) to water vapour. W...

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  14. What is a chemical change ? What are its properties ?

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  15. What is a physical change ? What are its properties?

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  16. What is rust and rusting? Why does iron rust ? What type of a change i...

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  17. What is crystallization ? How do you make crystallization of copper su...

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  18. Explain the following chemical changes : a) A piece of magnesium wire ...

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  19. Explain the following chemical changes : An iron nail is dropped in a ...

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  20. Explain the following chemical changes : Baking soda is added to vineg...

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