What can be used in place of chlorine to bleach wood pulp and paper?
A) nitrogen
B) hydrogen peroxide
C) carbon dioxide
D) titanium dioxide

Question

What can be used in place of chlorine to bleach wood pulp and paper? 
A) nitrogen 
B) hydrogen peroxide 
C) carbon dioxide 
D) titanium dioxide

Quizplus · Accepted Answer

Hydrogen peroxide can be used in place of chlorine to bleach wood pulp and paper. It is a less harmful alternative as it breaks down into water and oxygen, producing less harmful pollutants compared to chlorine. Nitrogen, carbon dioxide, and titanium dioxide are not suitable replacements for chlorine in the bleaching process.

What Can Be Used in Place of Chlorine to Bleach