Question

Project : ( to be written/prepared by each student individually a) write a report on the various activities of physical education that you had the chance to participate throughout the time days duration and type activity​

Answer 1

Explanation:

Magnesium is a very reactive metal. When it is kept in the open air it can react with the gases present in the air. Cleaning will remove those impurities formed due to the reaction with air. - This high reactive nature of magnesium is the reason why magnesium ribbons should be cleaned before using it.