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Why do we paint wooden doors and windows...

Why do we paint wooden doors and windows?

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VGS PUBLICATION-BRILLIANT-CHANGES AROUND US-EXERCISE
  1. Why do we paint wooden doors and windows?

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  2. Some deposits were observed in water preserved in Aluminium containers...

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  3. When a candle is burnt, what type of changes take place? Give another ...

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  4. How is an iron gate prevented from rusting?

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

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  6. Classify the changes involved in the following processes as Physical, ...

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  7. Which of the following processes are chemical changes? Give reasons. ...

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  8. Which of the following processes are chemical changes? Give reasons. ...

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  9. Which of the following processes are chemical changes? Give reasons. ...

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  10. Which of the following processes are chemical changes? Give reasons. ...

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  11. Which of the following processes are chemical changes? Give reasons. ...

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  12. Which of the following processes are chemical changes? Give reasons. ...

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  13. Which of the following processes are chemical changes? Give reasons. ...

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  14. Fill in the blanks in the following statements. The chemical name of v...

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  15. Fill in the blanks in the following statements. Changes in which only…...

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  16. Fill in the blanks in the following statements. Magnesium + Oxygen giv...

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  17. Fill in the blanks in the following statements. Copper sulphate + Iron...

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

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  19. Anurag appreciates the changes in ripe mango as “How nice its colour a...

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  20. The changes like chicks came out of eggs, blossoming flowers etc, are ...

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