Experiment Hydrogen and oxygen

Experiment Hydrogen and oxygen
 
Materials 

dry battery (1.5V), hydrogen peroxide, water tank, PET bottle (4), straw (4), dilute hydrochloric acid or diluted sulphuric acid, electric igniter  and plastic bag with zipper

Procedure 
 

1. Four PET bottles that make the cap the hole and pass the straw are prepared.
2. The manganese dioxide and the hydrogen peroxide are put in one PET bottle, and oxygen is collected in one PET bottle by the water substitution.
3. The zinc plate and the dilute hydrochloric acid are put in another PET bottle, hydrogen is collected in the PET bottle by the water substitution. 
4. Oxygen and hydrogen are quietly put into  the plastic bag with the zipper.
5. The igniter is inserted in the plastic bag. Ignite it.  

Science 

It is confirmed that wate r is produced after it explodes in the plastic bag.   

Question 

If only hydrogen is into the plastic ba g and is ignited, what will happen?  Precaution Surroundings of the straw close with the zi pper well so that the gas should not leak. The explosion becomes big if a lot of oxyge n and hydrogen are put, and the bag breaks out. Because the produced water changed into steam, the gas putting in the bag should be a proper quantity.   

Experiment Hydrogen and oxygen

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