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Chemical Reactions and Equations Class 10 Notes Science Chapter 1 CBSE Class 10 Science Notes Chapter 1 Chemical Reactions and Equations Pdf free download is part of  Class 10 Science Notes  for Quick Revision. Here we have given NCERT  Class 10 Science  Notes Chapter 1 Chemical Reactions and Equations. CBSE Class 10 Science Notes Chapter 1 Chemical Reactions and Equations

Every student dreams to get more than 90% marks in their board exams. And for this, they give their 100% efficiency too. But, do you know, only hard work is not the key to getting more than a 90% score? Yes, you hear it right! You have to do some smart work with your hard work. That’s the only key to scoring excellent marks in your board exams. This article will be helpful for all those board exam candidates who aspired to a dream towards more than 90% marks and design better future strategies. Some tips to know how to  score excellent marks in the board exams 1. Make a good study plan Do not try to focus on long hours of studies. Prepare a timetable that includes your daily routines. Add a little break at every 45-50 minutes of study. The timetable helps you to focus on all subjects equally. You can divide your time on each subject with the help of a timetable. It will also help you to learn time management skills. 2. Small-scale study Divide your syllabus into small s...

       Algebraic formula’s :-            *(a+b) 2       =    a 2 +b 2 +2ab            *(a+b) 2       =    (a-b)2+4ab            *(a-b) 2        =    (a+b) 2 -4ab            *(a-b) 2        =    a 2 +b 2 -2ab            *a 2  –b 2        =     (a+b)(a-b)            *a 2 +b 2        =      (a+b)(a+b)            *a 2 +b 2        =      (a-b) 2 +2ab       ...

Every student dreams to get more than 90% marks in their board exams. And for this, they give their 100% efficiency too. But, do you know, only hard work is not the key to getting more than a 90% score? Yes, you hear it right! You have to do some smart work with your hard work. That’s the only key to scoring excellent marks in your board exams. This article will be helpful for all those board exam candidates who aspired to a dream towards more than 90% marks and design better future strategies. Some tips to know how to  score excellent marks in the board exams 1. Make a good study plan Do not try to focus on long hours of studies. Prepare a timetable that includes your daily routines. Add a little break at every 45-50 minutes of study. The timetable helps you to focus on all subjects equally. You can divide your time on each subject with the help of a timetable. It will also help you to learn time management skills. 2. Small-scale study Divide your syllabus into small s...