Answer:
The battery of a phone contains stores chemical energy. This energy is converted into electrical energy primarily when the phone is turned on. The chemical energy is also converted into light energy, sound energy and heat energy. With the passage of time, the energy will be changed back into the chemical energy when we will charge the phone again.
Answer:
True
Explanation:
coz it is when one or more substances are mixed to produce one substance
Si has the largest, then S, then O
