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In an experiment magnesium ribbon was heated in air. The product formed was found to be heavier than the original ribbon. Potassium manganate (VII) was...

      

In an experiment magnesium ribbon was heated in air. The product formed was found to be heavier than the original ribbon. Potassium manganate (VII) was on the other hand, heated in air and product formed was found to be lighter. Explain the differences on the observation made

  

Answers


Maurice
When a magnesium ribbon is heated in air it combines with oxygen forming magnesium oxide.
When potassium manganate (VII) is heated it decomposes giving off oxygen which escapes in air
maurice.mutuku answered the question on October 17, 2019 at 06:53


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