Question

is lead dioxide a physical or chemical changes and why? ​

Answer 1

Explanation:

Lead(IV) oxide is the inorganic compound with the formula PbO2. It is an oxide where lead is in an oxidation state of +4. It is a dark-brown solid which is insoluble in water. It exists in two crystalline forms. It has several important applications in electrochemistry, in particular as the positive plate of lead acid batteries.

Answer 2

Answer:

because

Explanation:

it is very pressure in chemical

change