In a self-heating can, which reaction is typically used to generate heat?
Calcium oxide and water
2 )
Sodium hydrogencarbonate and citric acid
3 )
Magnesium and hydrochloric acid
4 )
Potassium chloride and water
تحلیل ویدئویی تست
منتظریم اولین نفر تحلیلش کنه!