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By adding gypsum to cement...

By adding gypsum to cement

A

setting time of cement becomes less

B

setting time of cement increases

C

colour of cement becomes light

D

Shining surface is obtained

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The correct Answer is:
B
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SURA PUBLICATION- ALKALI AND ALKALINE EARTH METALS-ADDITIONAL QUESTION ( ADDITIONAL CHOOSE THE CORRECT ANSWER)
  1. A chemical A is used for the preparation of washing soda. When CO2 is ...

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  2. The suspension of slaked lime in water is known as

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  3. By adding gypsum to cement

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  4. Give the correct order of thermal stabiiity of alkaline earth metal ca...

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  5. M+2H2OtoM(OH)2+H2 which among the following metals does not undergo ...

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  6. Assertion : The fluorides of alkaline earth metals are almost insolubl...

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  7. Which is insoluble in water?

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  8. The correct statements is / are : (i) BeCl2 is a covalent compound ...

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  9. In which of the following reactions, MgO is not formed

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  10. Several blocks of magnesium are fixed to the bottom of a ship to

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  11. Identify the correct statement

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  12. The metals X and Y that form oxide and nitride , when burnt in air are

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  13. Alkali metal are reactive.

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  14. Spodumene is the silicate mineral of

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  15. Which of the following is incorrect ?

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  16. Monovalent cations having stable electronic configurations similar to ...

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  17. Lithium directly reacts with carbon to form the ionic compound

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  18. The coolant used in fast breeder reactor is .

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  19. Except halides, all the other halides of alkaline earth metals are io...

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  20. Which is the correct statement about sodium chloride?

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