Air contains small amount of `CO_2` Water vapour and some other gases like_____etc.

Find whether the following sentences are true or false.If false Correct the statement: Air also contains small amount of carbon-di-oxide,water and some other gases like argon, helium etc.

The amount of water vapour in the air is known as___.

The amount of water vapour in air is determined in terms of its ………… .

Natural water contains a small amount of tritium (H_1^3) . This isotope beta -decays with a half-life of 12.5 years.A mountaineer while climbing towards a difficult peak finds debris of some earlier unsuccessful attempt.Among other things he finds a sealed bottle of whisky.On returm he analyses the whisky and finds that it contains only 1.5 per cent of hte H_1^3 radioactivity as compared to a recently purchased bottle marked '8 years old' .Estimate the time of that unsuccessful attempt.

Find whether the following sentences are true or false.If false Correct the statement: The amount of water vapour in the air is more in windy places then other areas.

The percentage of sunlight held by ozone, water vapour and atmospheric gases.

A faulty barometer contains certains amount of air and saturated water vapour . It reads 74.0cm when the atmospheric pressure is 76.0cm of mercury and reads 72.10cm when the atmospheric pressure is 74.0cm of mercury.Saturation vapour pressure at air temperature =1.0cm of mercury. Find the length of the baromerer tube above the mercury level in the reservoir.

One mole of CO_(2) contains

Air is a mixture of gases like _______, _____, ______ and other gases .