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Fill in the blanks- Formation of manure ...

Fill in the blanks- Formation of manure from leaves is an example of _______ change.

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Curd and sour substances contain acid which reacts with brass and copper to form poisonous substances. That is why curd and sour substances should not be kept in brass and copper vessels.
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SWAN PUBLICATION-ACIDS, BASES AND SALTS-Textbook Questions
  1. Fill in the blanks- Formation of manure from leaves is an example of ...

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  2. Take an example of wood to explain both physical and chemical changes.

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  3. Take an example of burning of candle to explain both physical and chem...

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  4. is the part of heart through which the blood is transported to all the...

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  5. Fill in the blanks- Haemoglobin is present in the

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  6. Fill in the blanks- The exchange of materials between the blood and th...

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  7. Fill in the blanks- Heart has some rhythmic contractions and expansion...

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  8. How is the concentration of hydronium ions (H(3)O^(+)) affected when a...

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  9. How is the concentration of hydroxide ions(OH) affected when excess ba...

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  10. Name the following- This is the excretory product in human beings whic...

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  11. What effect does the concentration of H^+(aq) ions have on the nature ...

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  12. Do basic solution also haveH^+ (aq) ions? If yes, then why are these b...

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  13. Sweat is made up of-

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  14. What is the common name of the compound CaOCl2?

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  15. Name the substance which on treatment with chlorine yields bleaching p...

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  16. Name the sodium compound which is used for softening hard water.

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  17. What will happen if a solution of sodium hydrogencarbonate is heated? ...

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  18. Write an equation to show the reaction between plaster of paris and wa...

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