When pyrolusite is fused with KOH, the colour of the product is

When pyrolusite is fused with KOH the compound formed is ____

When pyrolusite is fused with KOH in presence of air, the fused mass becomes:

MnO_2 is the most important oxide of manganese. MnO_2 occurs naturally as the black coloured mineral pyrolusite. It is an oxidising agent, and decomposes to Mn_3O_4 on heating to 530^(0) C. It is used in the preparation of potassium permanaga-nate and in the production of Cl_2 gas. Over half a million tonnes per year of MnO_2 is used in dry batteries When MnO_2 is fused with KOH in the presence of air, the product formed is :

When MnO_2 is fused with KOH, a coloured compound is formed, the product and its colour is ___________.

When MnO_(2) is fused with KOH, a coloured compound is formed, the product and its colour is:

MnO_(2) is the most important oxide of manganese , MnO_(2) occurs natually as the black coloured mineral pyrolusite. It is an oxidising agent, and decomposes to Mn_(3)O_(4) on heating to 530^(@) C. It is used in the preparation of potassium permanaganate and in the productioon of Cl_(2) gas. Over half million tonnes per year of MnO_(2) is used in dry batteries. Q. When MnO_(2) is fused with KOH in the presence of air, the product formed is: