In this activity we will discuss the hardness or softness of a metal. This activity has been taken from class 10 science.
In this activity we will discuss the hardness or softness of a metal. This activity has been taken from class 10 science.
This activity help students understand the concept of soil pH and its importance for plant growth. Soil pH plays an important role in determining the availability of nutrients in the soil.
This activity explains the acidic, basic or neutral nature of different substances using pH paper. pH paper changes its colour when comes in contact with different substances.