Chemistry Class 10 Chapter 14 Important Questions Answers 2023 10 th Chemistry CHAPTER 14 Environmental Chemistry I ATMOSPHERE Important Question/Answers QUESTION .1 What is the composition of the atmosphere? ANSWER Atmosphere The layer of gases that cloaks (cover) Earth and consists of the air we inhale is known as an atmosphere. It is kept closeChemistry Class 10 Chapter 14 Important Questions Answers 2023