[" 3.You are given samples of three metals.Sodium,magnesium and copper.Suggest any "],[" two activities to arrange them in order of decreasing activity."]

You are given samples of three metals : Sodium, magnesium and copper. Suggest any two activities to arrange them in order to their decreasing reactivity.

You are given samples of three metals-sodium, magnesium and copper suggest any two activities to arrange them in order of their decreasing reactivities.

You are given three metals: sodium, magnesium, and copper. Suggest any two activities to arrange them in order of their reactivity.

Suggest any two activities to check soil erosion in your school.

Suggest any two activities in daily life which are eco-friendly.

How do sodium,magnesium,iron and copper react with water?Arrange these metals in order of decreasing reactivity with the help of these reactions.

How do sodium,magnesium,iron and copper react with oxygen?Arrange these metals in order of decreasing reactivity with the help of these reactions.

You are provided with three metals : Sodium, magnesium and copper. Using only water as the reactant, how will you identify them ?

Out of the two metals P and Q, P is less reactive than Q. Suggest an activity to arrange these metals in the order of their decreasing reactivity. Support your answer with a suitable chemical equation.

Thin sprips of magnesium, copper and iron are taken. Arrange these metals in descending order of reactivity.