Burns example sentences

The chemical energy may also be used to do mechanical work when a fuel burns in an engine or to provide electrical energy through a galvanic cell like dry cell.Those who could not escape in time suffered burns to their eyes, skin and lungs from the gas.You have seen above that a candle or the LPG in the gas stove burns with a flame.When heated in air, coal burns and produces mainly carbon dioxide gas.Can you imagine how Priestley would have conducted the experiment using a candle and a plant? Remember, he would need to rekindle the candle to test whether it burns after a few days.You must have observed that magnesium ribbon burns with a dazzling white flame and changes into a white powder.Chemical energy stored by molecules can be released as heat during chemical reactions when a fuel like methane, cooking gas or coal burns in air.