Thursday, 22 June 2017

sakshi roll no. 13 chemical equations



 date: 21/06/17

               chemical equation and reactions


ACTIVITY: TO SHOW THE BURNING OF MAGNESIUM RIBBON

* Material required:

 1) Magnesium ribbon
 2) Sand paper
  3) Matchbox 

* METHOD: 

 1) Rub the magnesium ribbon with sand paper to remove the layer of magnesium oxide
  2)  Burn the magnesium ribbon.

*  OBSERVATION:  the ribbon burn with dazzling white light 

* CONCLUSION: the white powdery product formed is magnesium oxide.

 IN  THE FORM OF CHEMICAL EQUATION:

   2  Mg (s)  +  O2 (g)    2 MgO (s)

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