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A mixture of hydrogen and oxygen (45 ml) is sparked to form liquid water. The component not in excess reacts completely

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Question of Exercise 1

Chemical Reaction And Equation of Class 10

Question

A mixture of hydrogen and oxygen (45 ml) is sparked to form liquid water. The component not in excess reacts completely and 15ml is left over (all measurements are at the same temperature and pressure). The composition by volume in the original mixture of H2 and O2 is_____

 

 

Answer

Option 1 10 ml of H2 and 3. ml of O2

Option 2

20ml of H2 and 10 ml of O2  

Option 3 10 ml of H2 and 25 ml of O2

Option 4 20 ml of H2 and 25 ml of O2

Answer:

10 ml of H2 and 25 ml of O2

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