Question

Which gas is evolved when hydrochloric acid is added over a piece of marble in one test tube

and on a piece of granulated zinc in the second test tube?

2

b. How will you test the gases evolved.......
plz fastt......exam tym​

Answer 1

For example, when zinc reacts with hydrochloric acid it replaces the hydrogen and forms the salt, zinc chloride. The hydrogen comes away as hydrogen gas

Answer 2

Answer:

sorry i don't know in full answer for question

Explanation:

Carbon Dioxide is the answer for marble pieces. 2)Zinc granules. Zn + 2HCl gives ZnCl2 + H2. That is when zinc react with Hydrochloric ...