Question

Write one observation when Magnesium ribbon is burnt in air.​

Answer 1

Answer:

When magnesium ribbon is burnt in the air it forms a white powdery substance MgO (magnesium oxide) and produces heat and light.

i hope it is right

Answer 2

WHEN MAGNESIUM RIBBON IS BURNT IN AIR , A LAYER OF MAGNESIUM OXIDE IS FORMED IN IT,S SURFACE . THIS MAGNESIUM OXIDE IS RICH WHITE IN COLOUR .

EQUATION : 2Mg + O => Mg2O