Question

two physical properties of carbon dioxide

Answer 1

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╚» Carbon dioxide is colorless. At low concentrations the gas is odorless; however, at sufficiently-high concentrations, it has a sharp, acidicodor. At standard temperature andpressure, the density of carbon dioxide is around 1.98 kg/m3, about 1.67 times that of air.



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Answer 2

Answer:

✮ Carbon Dioxide: -

• In Free state , carbon dioxide is present in atmosphere to the extent of 0.03 - 0.05%.

• In Combined state, it occurs as metal carbonate and bicarbonate in the earth's crust as mineral.

✮ Physical properties of Carbon Dioxide:

• It is a colorless and odourless gas.

• It is a about 1.5 times heavier than air.

• It is fairly soluble in water.

• It can be liquified under a pressure of 70 atmospheres at ordinary temperature.

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