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Balu : "Close the lid tightly after usin...

Balu : "Close the lid tightly after using the Plaster of Paris".
Venu : Why?
To clarify the doubt of Venu, Balu asked Venu some questions. What would be those questions?

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1) What is the chemical formula of POP ?
2) Which one is available in the. atmosphere in the form of moisture ?
3) What happens if `H_2O` enters into POP powder ?
4) Can we get again POP, if gypsum formed once?
5) What precautions should be taken to store POP ?
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VGS PUBLICATION-BRILLIANT-ACIDS, BASES AND SALTS -Section-3
  1. Srilatha often confused with acids and bases. By asking some questions...

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  2. pH = - log [H^+] it was written on the blackboard by Mohan. ? By see...

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  3. Balu : "Close the lid tightly after using the Plaster of Paris". Ve...

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  4. Mounica observed that the dry HCl gas was not turned the dry blue litm...

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  5. Solution x turned blue litmus to red and Solution y turned red litmus ...

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  6. Solution x turned blue litmus to red and Solution y turned red litmus ...

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  7. Solution x turned blue litmus to red and Solution y turned red litmus ...

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  8. Solution x turned blue litmus to red and Solution y turned red litmus ...

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  9. Why do curd and sour substances not be kept in copper vessels ?

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  10. What are the materials required to prepare and test the hydrogen gas i...

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  11. How do you test the CO2 gas ?

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  12. Observe the colour and fill the given table.

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  13. Arrange the apparatus bulb, battery, electrodes and a beaker and test ...

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  14. Explain the procedure to confirm the given salt is a hydrous or anhydr...

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  15. Based on the properties of acids, bases and neutral solutions, fill th...

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  16. Substance 'A' : It is produced by non metallic oxide. Substance 'B' ...

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  17. Fill the following of results of reactions between some substances (ac...

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  18. 1) Which of the above substance is a strong acid ? 2) Which of the a...

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  19. Categorize the following as acids, bases, and salts : lemon juice, ...

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  20. Draw a pH scale and label acids, bases and salts on the scale.

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