Which statement about the reactivity of metals is correct?
1 )
Iron is more reactive than magnesium.
2 )
Copper reacts with dilute hydrochloric acid.
Potassium reacts with cold water.
4 )
Calcium oxide is reduced more easily than iron oxide.
تحلیل ویدئویی تست
تحلیل ویدئویی برای این تست ثبت نشده است!