Which statement about exothermic reactions is correct?
1 )
Energy is always absorbed during the reaction.
Energy is always released during the reaction.
3 )
Only the breaking of chemical bonds occurs in the reaction.
4 )
The temperature of the surroundings drops during the reaction.
تحلیل ویدئویی تست
منتظریم اولین نفر تحلیلش کنه!