Question

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 warmed, a gas evolves which is bubbled through a soap solution before
testing. Write the equation of the chemical reaction involved and the test to detect the gas. Name the
gas which will be evolved when the same metal reacts with dilute solution of a strong acid.
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Answer 1

Answer:

Zn + 2NaOH. Na2ZnO2 + H. 2