PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoAnswer the following questions:
Answer variants:
Each metal reacts with their salt solution more reactive metal reacts less, less will be most.
Because eyes can be destroyed by the dazzling light.
Magnesium is a highly reactive element that combines with oxygen to form magnesium oxide that does not burn.
The total electron content of \(Mg^2{^+}\) and \(O^2{^-}\) is \(40\).
1. Why should magnesium ribbon be cleaned before burning it in air?
2. Why is it suggested to wear dark coloured goggles while watching the burning of magnesium ribbon in air?