Chemical Reactions and Equations | CBSE Class 10 Revision | Important Questions Chemical Equation

To read the chapter notes and get the previous year's most important questions of this chapter on your smartphone, download the Avanti Gurukul App now: http://go.avanti.in/ytdresapp Avanti Gurukul brings you the first chapter for preparation of CBSE Class 10 board exam. This video will help you revise the first chapter of science - Chemical Reactions and Equations. We bring you a list of important questions for chemical reactions and equations chapter. This chapter is very important, as the basics of all your future chapters are covered in this chapter. Let us now look at the weightage of this chapter. On analysing previous years’ papers, we can say that there is a higher probability of a 1 or 2 mark question being asked from this chapter. The questions that have appeared in previous years from this chapter are: 1 mark questions: A) Why is respiration considered an exothermic process? B) What changes in the colour of iron nails and copper sulphate solution do you observe after keeping the iron nails dipped in copper sulphate solution for about 30 minutes? 2 marks: A) Give an example of a decomposition reaction. Describe an activity to illustrate such a reaction by heating. B) What is observed when a solution of potassium iodide is added to a solution of lead nitrate taken in a test tube? Watch this video to see all the examples of solved questions. If you have missed any other tip to score more than 90% in CBSE board exams, Watch our rest of the videos here: https://www.youtube.com/playlist?list=PL3aIa9xtFdj3bHTfRe0X4TBmxm2XtjTmP If you liked this video subscribe to Avanti Gurukul's Youtube channel here: https://www.youtube.com/avantigurukul To know more visit our website on https://www.avanti.in/ Like us on Facebook @ https://www.facebook.com/avantilearningcentres/ Follow us on Twitter @ https://twitter.com/AvantiLC