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Concrete is a mixture of...

Concrete is a mixture of

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NARAYNA-S-BLOCK ELEMENTS-LEVEL - III
  1. Match the following columns

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  2. Setting of cement is an

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  3. Cement is one of the most important building material of the present t...

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  4. Concrete is a mixture of

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  5. Which of the following statement is true?

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  6. Both alkali metals and alkaline earth metals are s-block elements. The...

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  7. The substance not likely to contain CaCO(3) is:

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  8. The drying agent which absorbs carbon dioxide and reacts violently wit...

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  9. Limestone is a naturally occuring form of calcium carbonate. It is use...

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  10. Which of the following groups of elements have properties that are mos...

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  11. yellow phosphorus on reaction with Ca(OH)(2) gives:

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  12. The hydration entahphy of Mg^(2+) ion is higer than that of

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  13. Select the correct statements about barium:

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  14. Which of the following oxides have rock salt structure with coordinati...

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  15. The pH of buffer of NH4OH + NH4Cl - type is given by -

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  16. Which one is the active constituent of bleaching powder?

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  17. A sodium salt of unknown anion when treated with MgCl(2) gives a white...

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  18. Magnesium is an important component of which biomolecule occuring exte...

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  19. MgSO(4) on reaction with NH(4)OH and Na(2)HPO(4) forms a white crystal...

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

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