Describe an activity to show that metal reacts with a base to produce hydrogen gas
Answers
Answer:
Hydrogen gas and zinc chloride are formed when hydrochloric acidreacts with zinc metal. Hydrogen gas and zinc sulphate are formed when zinc metal reacts with sulphuric acid. The reaction ofbase with metals: ... Sodium hydroxide gives hydrogen gas and sodium zincate when reacts with zinc metal.
Explanation:
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Answer:
obtain a metal such as zinc
obtain dilute hydrochloric acid .
add excess zinc to the acid (it is added in excess to allow the acid react completely).afterwards filter to remove excess zinc.Then watch to see.
effervescence will occur during the reaction (it is the evolution of bubbles )if effervescence stops then the reaction has been completed.....place a burning splint over the testtube. The burning splint goes off with a pop sound which means hydrogen gas was evolved
Explanation:
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