Question

which of the following converts dangerous gases to less dangerous gases and is primarily used to reduce nitrogen oxide emissions? electrostatic precipitator catalytic converter scrubber cyclone

Explanation:

A catalytic converter uses a catalyst to promote a chemical reaction that converts dangerous gases like nitrogen oxides into less - dangerous gases. An electrostatic precipitator removes particulate matter from a gas stream. A scrubber is used to remove pollutants like sulfur dioxide from exhaust gases. A cyclone is used to separate particles from a gas stream based on density.

Answer:

B. catalytic converter