Chemistry MCQS for Class 10
Mesosphere has a temperature range.
2oC – 93oC
17 oC – 58oC
– 93oC
58oC – 2oC
Almost all aircrafts fly in:
themosphere
stratosphere
troposphere
mesosphere
The stratosphere layer is at height above the earth’s surface.
50-85 km
0-12 km
12-50 km
65-120 km
Which one of the following is not a greenhouse Effect?
Increasing atmosphere temperature.
increasing flood risks
Increasing food chains
Increasing sea-level
Fossil fuel means.
Natural gas
All of them
Petroleum
Coal
Which gas is also known as life gas for plants.
O2
CO
NO2
CO2
Which one of these pollutants are not found in car exhaust fumes?
NO2
CO2
O3
SO2
The earth atmosphere is getting hotter because of :
SO2
CO
O3
CO2
Which one of the following gas has greater retaining capacity?
CO2
O2
CO
N2
Which pollutant is responsible for changing weather?
Soil pollutant
Water pollutant
All of them
Air pollutant
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