The set up below can be used to prepare oxygen gas. Study it and answer the questions that follow.

      

The set up below can be used to prepare oxygen gas. Study it and answer the questions that follow.
Oxygen4620174350001.jpg
a) Identify X
b) What property of oxygen makes it possible for it to be collected as shown in the above set up?
c) State two uses of oxygen.
d) Write a balanced chemicals equation for the reaction that takes place in the reaction flask.

  

Answers


John
a) Water

b) Oxygen is only slightly soluble in water

c) i) Used in welding and cutting of metals (oxyacetylene flame)

ii) Used in hospitals to aid patients with respiratory problems

d) 2Na2O2(S) + 2H2O(S)------>4NaOH(aq) + O2(g)

johnmulu answered the question on April 6, 2017 at 13:38


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