Which statements about hydrogen-oxygen fuel cells are correct?
1- The reaction between hydrogen and oxygen is endothermic.
2- The waste product in a hydrogen-oxygen fuel cell is water.
3- A chemical reaction in the cell produces hydrogen which is used as the fuel.
4- A hydrogen-oxygen fuel cell is used to generate electricity.
1 )
1 and 2
2 )
1 and 3
2 and 4
4 )
3 and 4
تحلیل ویدئویی تست
منتظریم اولین نفر تحلیلش کنه!
پرسش و پاسخ های مشابه
سوال کنید یا به سوالات دیگران پاسخ دهید ...