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Bacteria digest animal waste and produce...

Bacteria digest animal waste and produce biogas (step I). The Biogas is the burnt as fuel (step II). Choose the correct statement from the following:

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NCERT TELUGU-CHANGS AROUND US-EXERCISE
  1. Which of the following processes are chemical changes? Give reasons. ...

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  2. The gas we use in kitchen is in the form of liquid in the cylinder. Wh...

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  3. Bacteria digest animal waste and produce biogas (step I). The Biogas i...

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  4. A piece of paper was cut into four pieces. What type of change occurre...

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  5. Aryan stretched a rubber band. What does it represent?

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  6. Which of the following changes are reversible or irreversible. Rise o...

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  7. Which of the following changes are reversible or irreversible. Settin...

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  8. Which of the following changes are reversible or irreversible. Absorp...

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  9. Which of the following changes are reversible or irreversible. Rise i...

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  10. How is an iron gate prevented from rusting?

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

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

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

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

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

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

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

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

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  19. What are periodical changes ?

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  20. What are physical changes ?

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