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An experiment on competition for oxygen was carried out and results were tabulated in the table below. Use information in the table to answer the...

An experiment on competition for oxygen was carried out and results were tabulated in the table below. Use information in the table to answer the questions that follow.


(i) What is the best conclusion that can be drawn on the basis of the above results?
(ii) What is the order of reactivity of elements in this experiment?
(iii) What are the products formed where a reaction occurred?
(iv) If you were given an oxide copper how would you obtain copper metal from it?

Answers

i)More active elements take oxygen from the less active ones.
ii)
iii)An oxide of the more reactive element and the element of the less reactive of the two.
iv)I would simply heat the copper oxide with an element carbon to obtain the brown copper metal after reduction.

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Kavungya answered the question on March 25, 2019 at 09:38

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