Yes, it is there in boards. De facto, both chapter 4 and chapter 5 are there.

According to the information provided, your school has assigned Chapter 4 - "Making of the Global World" for the history syllabus. However, you are inquiring whether Chapter 5 - "Age of Industrialization" is also included in the syllabus. Let's discuss this in detail.

Chapter 4: Making of the Global World
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This chapter primarily focuses on the period between the 18th and 19th centuries, when major changes occurred in the world economy and global trade. It covers topics such as colonization, industrialization, the global exchange of goods, and the impact of these changes on various regions of the world.

Chapter 5: Age of Industrialization
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The "Age of Industrialization" is an important chapter that delves into the industrial revolution and its impact on society, economy, and politics. It explores how the rapid growth of industries and technological advancements transformed the world during the 18th and 19th centuries.

Understanding the Syllabus
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To determine whether Chapter 5 is included in your history syllabus, you should refer to the official syllabus provided by your education board or school. The syllabus is a comprehensive document that outlines the topics, chapters, and concepts that you will be required to study.

Checking the Syllabus
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To find out the exact chapters included in your syllabus, you can:
1. Check the official website of your education board or school for the prescribed syllabus for Class 10 history.
2. Consult your history textbook, as it usually follows the syllabus provided by the education board.

Conclusion
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Since the provided information does not specify the education board or school, it is recommended to refer to the official syllabus or consult your history textbook to determine if Chapter 5 - "Age of Industrialization" is included in your Class 10 history syllabus. Following the mentioned steps will provide you with accurate and reliable information regarding your syllabus requirements.