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Name the compound of Mg, O, Cl and H use...

Name the compound of Mg, O, Cl and H used as cement for joining cracked teeth

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The correct Answer is:
`MgCl_(2).5MgO.xH_(2)O` or Sorel cement
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Give the names and formula of the compounds indicated in the following statements. (a). A compounds of Ca used in setting fractured bones. (b). A compounds of calcium and hydrogen which is used as a prtable source of hydrogen for filling balloons. (c ). A compounds of Ca,O,Cl and H used as germicide. (d). A compound of Mg,O,Cl and H used as a cement for joining cracked teeth. (e). A compound of Mg, Cl and O used as a drying agent. ltbRgt (f). A compound of Ca and O which when heated in oxycoal gas flame gives limelight. (g). A compound of Ca, C and N used as a fertiliser. (h). A triatomic compound of Ca which gives H_(2) on treatments with water.

Give the names and formulae of the compounds indicated by the following statements : (a) A compound of Ca used in setting fractured bones. (b) A compound of Mg, S, O and H used as purgative in medicines. (c ) A compound of Ca and C used for the production of acetylene. (d) A compound of Ca, C and N used as fertillizer. (e) A compound of Ca and H Which upon reacting with water gives H_(2) .

Name the compound that contain Mg and helps green plants during photosynthesis.

Name the compound that contains Mg and helps green plants during photosynthesis.

Give the names of formulae of the compounds described below : (a) A compound of N, H and O which on heating gives laughing gas. (b) A compound of N,H and O which on heating gives nitrogen gas. ( c) A compound of Ca, P and O which is found in bones. (d) A compound of N and H which is used as refrigerant. ( e) A compound of N and H which behaves like an acid. (f) A compound of N and H which is used as a rocket fuel. (g) A compound of N, H, S and O which is used as a fertiliser. (h) A compound of N, H, S and O which is used for making oximes. (i) Two neutral oxides of nitrogen. (j) The oxyacid of phosphorus is used for the preparation of HBr and H I from bromides and iodides respectively.

A metal 'M' has the electronic configuration 2, 8, 3 - and occurs in nature as M_2O_3 2H_2O . It is more reactive than Zinc. Answer the following question: Write a chemical equation illustrating the use of this metal for joining cracked railway lines.

Name the compound used for measuring the hardness of water, i.e., for estimation of Ca^(2+) and Mg^(2+) ions.

DINESH PUBLICATION-S-BLOCK ELEMENTS (ALKALI AND ALKALINE EARTH METALS )-Problems For Practice
  1. Which alkali metal hydride is used for filling meterological ballons?

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  2. Water glass is:

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  3. (a) Name the most abundant metal in the earth's crust. (b). Name the...

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  4. Which alkali metal chloride is soluble in alcohol?

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  5. In Down's process for the manufacture of sodium , CaCl(2), is added to...

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  6. Among LiF and LiI, which has more covalent character and why ?

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  7. The alkaline earth metals, which do not impart any colour to Bunsen fl...

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  8. Lithium resembles magnesium in some respects though placed in a differ...

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  9. Epson salt's chemical formula is

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  10. Which are more electropositive - alkali metals or alkaline earth metal...

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  11. Which is quick lime ?

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  12. Magnesite is an ore of .

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  13. The correct order of relative basic character of NaOH, Mg(OH)(2) and A...

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  14. Which alkaline earth metal constitute Grignard reagent?

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  15. ArrangeCaSO(4), MgSO(4), BaSO(4) in increasing solubility in water.

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  16. Name the compound of Mg, O, Cl and H used as cement for joining cracke...

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  17. Which is covalent in CaH(2), NaH BeH(2)?

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  18. Name a compound of calcium and hydrogen used as a portable source of h...

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  19. Name the salt which is generally given to the patient before taking st...

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  20. Arrange BeCl(2), MgCl(2), CaCl(2), SrCl(2) and BaCl(2) in increasing o...

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