Question

chracteristic of carbon di oxide​

Answer 1

Answer:

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

Explanation:

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Answer 2

Answer:

1 . Carbon dioxide belongs to the group of non-reactive elements known as the Noble gases.

2 .Carbon dioxide, like the rest of the Noble gases, is not flammable (although it may become so at high temperatures).

3 .When liquid or solid carbon dioxide comes into contact with very cold water, it may cause vigorous boiling, and rapid vaporization, due to the large differences in temperatures.

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