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2 ml of sodium hydroxide solution is added to a few pieces of granulated zinc metal taken in a test tube when the contents are formed a gas involves which is bubbled through a soap solution before testing write the equation of the chemical reaction involved and the tests to detect the gas in the gas which will be evolved when the same metal reacts with dilute solution of a strong acid2 ml of sodium hydroxide solution is added to a few pieces of granulated zinc metal taken in a test tube when the contents are formed a gas involves which is bubbled through a soap solution before testing write the equation of the chemical reaction involved and the tests to detect the gas in the gas which will be evolved when the same metal reacts with dilute solution of a strong acid .


Solution

The answer is 
2NaOH + 2Zn ------> Na2Zno2+ H2

And H2 gas will evolve.

Hope it helps

Chemistry

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