Advertisements
Advertisements
Question
The two forms of oxygen found in the atmosphere are
Options
water and ozone
water and oxygen
ozone and oxygen
water and carbon-dioxide
Advertisements
Solution
ozone and oxygen
Explanation:
Oxygen is found in the atmosphere in two forms, as diatomic molecule (O2) and as triatomic ozone (O3). Normally elemental oxygen is found in the form of a diatomic molecule in the atmosphere. Ozone is not stable near the earth’s surface and is present 18¬50 km above in the atmosphere (stratosphere) as a thick blanket called ozonosphere or ozone shield.
APPEARS IN
RELATED QUESTIONS
Match the following.
| A | B | ||
| 1. | Troposphere | (i) | Ozone |
| 2. | Stratosphere | (ii) | Ions |
| 3. | Thermosphere | (iii) | Outer Space |
| 4. | Exosphere | (iv) | Lowest Temperature |
| 5. | Mesosphere | (v) | Densest Layer of atmosphere |
Choose the correct answer.
This layer of the atmosphere has the lowest temperature.
State whether the following is true or false.
The stratosphere extends from the top of the troposphere up to 80 km above the surface of the earth.
In which layer of atmosphere do all weather conditions occur?
What is an important feature of Stratosphere?
Write a note about the following.
Condensation
The lowest layer of the atmosphere is ______.
A layer located in stratosphere which absorbs ultraviolet rays of sun called ______.
______ is the lowest layer of the atmosphere.
A ______ shows the direction in which the air is moving at a particular place.
