Pls it's urgent

Dear student,
Option B is correct.

M a g n e s i u m r e a c t s w i t h o x y g e n t o m a k e a c o m p o u n d c a l l e d m a g n e s i u m o x i d e . T h e w h i t e u l t r o v i o l e t l i g h t r e s u l t s b e c a u s e t h i s r e a c t i o n p r o d u c e s a l o t o f h e a t . W h e n t h e m a g n e s i u m g e t s r e a l l y h o t, i t e m i t s e n e r g y i n t h e f o r m o f l i g h t . I t i s a n e x a m p l e o f c h e m i c a l c h a n g e a s t h e m a g n e s i u m c a n n o t b e r e g a i n e d b a c k .

Hope this information will clear your doubts about topic.

If you have any more doubts just ask here on the forum and our experts will try to help you out as soon as possible.

Regards

View Full Answer