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In curing cement plasters, water is spri...

In curing cement plasters, water is sprinkled from time to time. This helps in

A

converting sand into silicic acid

B

keeping it cool

C

developing interlocking needle like crystals of hydrated silicates.

D

hydrating sand and gravel mixed with cement

Text Solution

Verified by Experts

The correct Answer is:
C
Developing interlocking needle like crystals of hydrated silicates.
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In curing cement plasters water is sprinkled from time to time. Time helps in

In curing cement plaster, water is sprinkled from time to time. Which of the following statements are incorrect? (A) keeping it cool (B) converting sand in to silicic acid (C) hydrated sand gravel mixed with cement (D) developing interlocking needle like crystals of hydrated silicates

Assertion (A): In curing cement plasters, water is sprinkled form time to time. Reason (R ): It converts sand into silicic acid.

How is gypsum converted into plaster of paris ? Why is plaster of paris helpful in setting broken bones?

DINESH PUBLICATION-ALKALI EARTH METALS-Revision Questions From Competitive Exams.
  1. The substance not likely to contain CaCO(3) is:

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  2. Serveral blocks of magnesium are fixed to the bottom of a ship to

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  3. In curing cement plasters, water is sprinkled from time to time. This ...

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  4. The correct order of solubility of the sulphates of alkaline earth met...

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  5. The product obtained on fusion of BaSO(4) and Na(2)CO(3) is

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  6. Dead burnt plaster is

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  7. Which of the following is not an ore of magnesium?

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  8. Pick out statement (s) which is/are not true about diagonal relationsh...

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  9. Which of the following exists in polymeric form

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  10. Dead burnt plaster is

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  11. A solid compound 'X' on heating gives CO(2) gas and a residue. The res...

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  12. When calcium carbide is heated in atmosphere of nitrogen in an electri...

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  13. Which pair of the following chlorides does not impart color to the fla...

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  14. Which of the following pairs of substance would give same gaseous prod...

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  15. Which of the following does not contain magnesium

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  16. Property of the alkaline earth metals that increases with their atomic...

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  17. Which one of the following alkaline earth metal sulphates has its hydr...

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  18. Which of the following carbonates is the most stable

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  19. The compound A on heating gives a colourless gas and a residue thata d...

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  20. Which of the following compounds has the lowest melting point ?

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