At low concentrations, the gas is odorless. At higher concentrations it has a sharp, acidic odor. Which gas are we talking about?

Hydrogen Sulphide

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Carbondioxide

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Oxygen

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Nitrogen

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Solution

The correct option is A Carbondioxide
Option $(B)$ is correct.
$C O_{2}$ is odourless, colourless gas at low concentrations. At higher concentrations, it has a sharp, acidic odour and can cause a sour taste in the mouth and irritation or stinging to the respiratory tract.

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At low concentrations, the gas is odorless. At higher concentrations it has a sharp, acidic odor. Which gas are we talking about?

The correct option is A CarbondioxideOption (B) is correct.CO2 is odourless, colourless gas at low concentrations. At higher concentrations, it has a sharp, acidic odour and can cause a sour taste in the mouth and irritation or stinging to the respiratory tract.

The correct option is A Carbondioxide
Option $(B)$ is correct.
$C O_{2}$ is odourless, colourless gas at low concentrations. At higher concentrations, it has a sharp, acidic odour and can cause a sour taste in the mouth and irritation or stinging to the respiratory tract.