[header] How to do well in any board chemistry exam [title] Find a good teacher to help you understand and memorize the textual part of n.c.e.r.t book. [substeps] A beginner cannot directly jump to the chapter and learn the text. Although some chapters are a bit easy and one can do them on his own. 
[title] Ask your teacher to introduce you to the topic and the main concepts. [substeps] After you understand the main topics, tackle the subtopics as this way you won't confuse concepts.