Carbondioxide has a lifespan of about – McqOptions

MCQOPTIONS

1.	Carbondioxide has a lifespan of about
A.	900 years
B.	100-200 years
C.	300 years
D.	50 years
Answer» C. 300 years

Discussion

No Comment Found

Related MCQs

The mean kinetic energy of one mole of gas per degree of freedom (on the basis of a kinetic theory of gases) is ___________
The degree of freedom in case of a monoatomic gas is ___________
Surface the lake is at 2°C and depth of the lake is 20m. Find the temperature of the bottom of the lake?
A gas mixture consists of 2 moles of oxygen and 4 moles of argon at temperature T. Neglecting all vibrational modes, the total internal energy of the system is?
The average translational kinetic energy of O2 molecules (relative molar mass 32) at a particular temperature is 0.048eV. The translational kinetic energy of N2 molecules (relative molar mass) in eV at the same temperature is?
A vessel contains one mole of O2 gas at a temperature T. The pressure of the gas is P. An identical vessel containing one hole of He gas at a temperature 2T has a pressure of?
When an automobile travels for a long distance, the pressure in the gas?
At constant volume temperature is increases, then ___________
Assertion: In the pressure-temperature phase diagram of water, the slope of the melting curve is found to be negative.Reason: Ice contracts on melting to water.
Sink of nitrous oxide is photodissociation in the