Introduction:
Science is a subject that covers a wide range of topics and concepts. The CBSE board has designed the syllabus in a way that covers all the essential topics and concepts required for a student to understand the subject thoroughly. The question of whether all the chapters will come in the board paper is a common concern among students. In this response, we will explore this question in detail.

The Syllabus for Science, Class 10 CBSE:
The CBSE Syllabus for Science, Class 10 covers a total of 16 chapters. These chapters are further divided into three categories - Physics, Chemistry, and Biology. The purpose of this categorization is to provide a clear understanding of the different aspects of Science.

Will all the chapters come in the board paper?
It is important to note that the CBSE board has clearly stated that the question paper will cover the entire syllabus. Therefore, it is safe to say that all the chapters will come in the board paper. However, the weightage of each chapter may vary. Some chapters may have more weightage than others. Therefore, it is essential for students to study all the chapters thoroughly.

How to prepare for the board exam?
Preparing for the board exam requires a strategic approach. Students should focus on understanding the concepts and practicing as many questions as possible. They should also solve previous year question papers to get an idea of the type of questions that can be asked in the exam. Time management is also crucial. Students should create a study schedule that covers all the chapters and gives them enough time to revise.

Conclusion:
In conclusion, the CBSE board has designed the syllabus for Science, Class 10 in a way that covers all the essential topics and concepts. All the chapters will come in the board paper, although the weightage of each chapter may vary. Therefore, students should focus on understanding the concepts, practicing questions, and managing their time effectively to score well in the board exam.