English, asked by Anonymous, 5 months ago

Why should a magnesium ribbon be cleaned before burning in air? . Please don't answer it . This is my personal id who will answer there account can get damage because moderators are handling this account . ​

Answers

Answered by Anonymous
5

Answer:

Magnesium ribbon reacts with oxygen present in air to form a protective and inert layer of magnesium oxide on its surface . This layer is unreactive and prevents the ribbon from burning . Hence , it needs to be cleaned with sand paper before burning in air

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