We have provided extra questions based on class 10 science. These questions are helpful for developing the problem solving skills. Practicing these questions will help you to score better in your exams.
Extra Questions On Reflection and Refraction of Light Reflection is the bouncing back of light when it strikes on a polished surface like mirror. Laws of Reflection: (1) Angle of incidence is equal to the angle of reflection.(2) The incident ray, the reflected ray and the normal at the point of incidence, all lie in … Continue reading Extra Questions For Class 10 Science Chapter 10 Reflection and Refraction of Light
Extra Questions On Class 10 Science Chemical Reactions and Equations Q.1. In electrolysis of water, why is the volume of gas collected over one electrode double that of gas collected over the other electrode? Answer Answer: It is because water contains hydrogen and oxygen in the ratio of 2 : 1. Q.2. Balance the following … Continue reading Extra Questions For Class 10 Science Chapter 1 Chemical Reactions and Equations
Extra Questions On Class 10 Science Chapter 2 Acids, Bases and Salts Q.1. The pH of a sample of vegetable soup was found to be 6.5. How is this soup likely to taste? Answer Answer. The taste will be slightly sour as it is weakly acidic. Q.2. Which bases are called alkalies? Give an example … Continue reading Extra Questions for Class 10 Science Chapter 2 Acids, Bases and Salts