This chapter covers different topics like the electric current, potential difference, ohm’s law, electric fuse, resistance, conductors etc. The questions are designed to keep all your concepts clear.
The important topics covered in the chapter are chemical changes, types of chemical reactions, chemical equations, steps of writing chemical equations, types of reactions, oxidation and reduction and effects of oxidation reactions in everyday life.
This chapter explains how can a mixture be created and used in daily chores, different uses of acids bases and salts and their advantages and disadvantage, how to perfectly balance acids and bases, what is the role of acids, bases, and salts in the distinct tasting, etc.
The topics covered in the chapter are physical properties of Metals and Non-Metals, Chemical properties of Metals, Reactivity Series, Ionic compounds and Corrosion. Prevention of Corrosion.
This chapter illustrates the procedure regarding the creation of variations in distinct living organisms and also helps understand the process of evolution.
Write a public review