Question

Q19.Write chemical equations for the following changes


i) magnesium ribbon is burnt.

ii)iron nails are kept in copper sulphate solution.
​

Answer 1

Answer:

i) Mg+O=MgO

ii) Fe+CuSo4=FeSo4+Cu

Answer 2

Answer:

A magnesium ribbon ,burnt in air,left an ash containing MgO and Mg3N2.The ash was found to consume 0.06 mole of HCI, when it was taken in solution, according to the reactions. MgO+2HCI ARROW MgCl2+H2O