Which of the following particles causes coughing and respiratory irritation?

Oxygen particles

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Nitrogen particles

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Soot particles

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All of these

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Solution

The correct option is C
Soot particles

Soot particles are released in the air due to incomplete cumbustion of fuels and causes respiratory irritation and coughing.

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Which of the following particles causes coughing and respiratory irritation?

The correct option is C Soot particles Soot particles are released in the air due to incomplete cumbustion of fuels and causes respiratory irritation and coughing.

The correct option is C
Soot particles

Soot particles are released in the air due to incomplete cumbustion of fuels and causes respiratory irritation and coughing.