Describe the process of froth flotation and explain how it is used to concentrate ores.
Differentiate between physisorption and chemisorption. Explain how temperature affects the extent of adsorption on the surface of a solid.
Explain the concept of the rate of reaction. Describe how the order of a reaction is determined experimentally.
Define electrode potential and explain its significance. How is the standard electrode potential used to predict the feasibility of a redox reaction?
Describe the concept of simple harmonic motion (SHM). Derive the expression for the time period of a simple pendulum.
How often should students practise Class 6 English Important Questions?
Derive the expression for gravitational potential energy at a height above the Earth’s surface. Explain the variation of gravitational potential energy with height.