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Which is not a use of plaster of pairs...

Which is not a use of plaster of pairs

A

It isused in the manufacture of crucibles and models

B

It is used for setting of fractured bones and teeth

C

It is used as good reducing agent

D

It is used in the manufacture of black board chalks

Text Solution

Verified by Experts

The correct Answer is:
C
Plaster of paris is not used as reducing agent.
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AAKASH SERIES-ALKALINE EARTH METALS-ADDITIONAL PRACTICE EXERCISE (LEVEL -1 (MAIN)
  1. The abundance of alkaline earathmetails in the earth crust is in the o...

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  2. Which of the following halide is covalent

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  3. Which of the following alkaline earth metal does not react with cold w...

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  4. Which of the following is a amphoteric metal

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  5. lonic nature of hydrides is

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  6. Beryllium differs from other alkaline earth metals because of

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  7. Magnesite is a mineral of

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  8. Calcination of limestone containing clay at high temperature is fusibl...

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  9. Mortar is a mixture of

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  10. Hydraulic mortar is used as

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  11. Which is not a use of plaster of pairs

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  12. Which ion is present in bones and teeth as apatite ?

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  13. Enamel on teeth is

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  14. Which of the following is a role of Ca^(+2) in biology

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  15. Enzymes like phosphohydrolases and phosphotransferases contain

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  16. CaCO(3)overset(Delta)underset(1073)rarr CaO+CO(2) (Reverse reaction ...

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  17. Alkaline earth metals exhibit +2 oxidation state in aqueous solution d...

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  18. Metal A when burnt in air forms only an oxide while metal B When brunt...

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  19. IIA group metal oxides are less basic than IA group metal oxides becau...

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  20. Chemical A is used for water softening to remove temporary hardness. A...

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