Ozone layer is present in
A). Troposphere
B). Ionosphere
C). Stratosphere
D). Exosphere
Stratosphere
Most atmospheric ozone is concentrated in a layer in the stratosphere, about 9 to 18 miles (15 to 30 km) above the Earth's surface (see the figure below). Ozone is a molecule that contains three oxygen atoms. At any given time, ozone molecules are constantly formed and destroyed in the stratosphere.
1. Catalytic converters are generally made from :
2. The structure of (HPO3)3 is
3. Which of the following is not a precious/semi-precious stone?
4. The iron ore magnetite consists of
6. Question 1.8:Ionic solids conduct electricity in molten state but not in solid state. Explain.
8. Stainless steel is an alloy of
10. Question 2.10:What role does the molecular interaction play in a solution of alcohol and water?