This chapter focuses on several long-term respiratory conditions: asthma, chronic bronchitis, emphysema, and chronic obstructive pulmonary disease (COPD). The nature of respiratory symptoms and the ...

In this chapter, we will describe fuels and their characteristics, including alternative fuels to help us meet our future energy needs. Here you will find the videos, simulations, and articles for ...

This video is from the Chemistry in Context collection, and it helps set the stage for what students will learn about in Chapter 6—energy from combustion reactions.

NCERT Solutions for Class 8 Science Chapter 6 - Combustion and Flame are best to understand the concepts clearly and learn the answer writing skills for obtaining high scores in exams. These NCERT ...