Question

write the word equation for the preparation of oxygen gas from

potassium nitrate
potassium chlorate
mercuric acid
red lead​

Answer 1

=> potassium nitrate :

KNO3 = KNO2 + O2 | Chemical reaction and equation.

=> Potassium chlorate:

The reaction equation is 2KClO3 = KCl + KClO+O2↑

=> Mercuric acid :

HgO = Hg + O2.

Thanks

Mark branliest

@ join the army of the shadows

Answer 2

Answer:

Red lead

= PbO + O2 draw arrow towards right and then write 2Pb3O