The process relies on a leaching solution based on a combination of acetic acid (CH3COOH) and hydrogen peroxide (H2O2), which the researchers said leaches the lead ‘in a matter of minutes.’ ...
" width="1200" height="675" /> CBSE 2024-25 Competency-Based Questions With Answers: Assessment is important in education as it reinforces the knowledge that the students gain throughout the course.