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What is used for plastering fractured bo...

What is used for plastering fractured bones?

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What is dead burnt plaster ?

Name the compounds used in hospitals for supporting fractured bones in the right position. How is it prepeared?

What is dislocation and fracture of a bone?

Which compound of calcium is used in surgical bandages during fractured bones of the body ?

Doctors use a paste of white substance in water to maintain a fractured bone fixed in its place. Identify this substance and write its chemical formula.

What is the formula of plaster of paris? How is it prepred? State the common and the chemical names of the compound formed when plaster of paris is mixed with water.

A thick coating of a Plaster of Paris (POP) is applied over the bandage on a fractured bone.It becomes hard on drying to keep the fractured bone immobilised.Can the chage in POP be reversed ?

MODERN PUBLICATION-ACID, BASES AND SALTS-EXERCISE
  1. What is gypsum? What happens when gypsum is heated to 373K?

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  2. What are the important uses of bleaching powder?

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  3. What is used for plastering fractured bones?

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

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  5. What is a neutralisation reaction? Give two examples

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  6. How does the pH of an acid solutoin change when it is diluted?

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  7. Will the solution of sodium carbonate acidic or basic?

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  8. Ph of an acidic solution is:

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  9. What do all acids and all bases have common? Explain.

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  10. Why does an aqueous solution of an acid conduct electricity?

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  11. Distilled water is a poor conductor of electricity.

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  12. Why do acids not show acidic behaviour in the absence of water?

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  13. Fresh milk has a ph of 6. how do you think the ph will change as it tu...

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  14. What is efflorescence? Name one compound which show efflorescence?

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  15. State important properties of washing soda.

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  16. What is the action of heat on washing soda

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  17. What is gypsum? What happens when gypsum is heated to 373K?

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  18. What is the action of heat on washing soda

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  19. What is the action of heat on Lime stone?

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  20. Describe with chemical equaiton what happens when Carbon dioxide gas r...

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