The diagram below is a set-up for the laboratory preparation of oxygen gas

      

The diagram below is a set-up for the laboratory preparation of oxygen gas
gas4620173070002.jpg
a) Name solid R.
b) Write an equation for the reaction that takes place in the flask.
c) Give one commercial use of oxygen.

  

Answers


John
a) Manganese (IV) oxide

b) 2H2O2(l) $\rightarrow$ 2H2O(l) + O2(g)

c) – Welding. – Fuel in rockets - Breathing aid in hospitals – Steel making
johnmulu answered the question on April 6, 2017 at 12:11


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