3 which gas is produced when acid reacts with metal write chemical reaction and by experiment apparatus show the test of produced gas.
Answers
Answer:
When an acid react with a metal it liberates hydrogen gas. To test the presence of H2 gas, bring a burning splinter near the mouth of the test tube where H2 gas is released, the match stick bums with a pop sound.
Answer:
Explanation:
When an acid react with a metal it liberates hydrogen gas.
Procedure
Take a clean and dry test tube.
Add zinc granules in it.
Submerge the zinc granules in the test tube by adding hydrochloric acid to it.
Close the mouth of the test tube with cork which has a glass delivery.
A robust explosion takes place between 2-3 minutes liberating colourless and odourless gas.
When a burning match stick in got near the glass tube mouth the gas burns with a pale blue flame with a pop sound.
Reaction:
2HCl(aq) + Zn(s) → ZnCl2(aq) + H2↑