Which gas is usually liberated when an acid reacts with a metal? Illustrate with an example. How will you test for the presence of this gas?
NCERT Class 10th Science Chapter 2 Acids Bases and Salts
Answers
Answered by
7
h2 gas is liberated
e.g
zn+ h2so4---> znso4 +h2
it can be tested by passing the gas through soap solution and then bringing a candle near the soap filled withgas.. the soap bubble bust and the h2 gas burns with a pop sound
e.g
zn+ h2so4---> znso4 +h2
it can be tested by passing the gas through soap solution and then bringing a candle near the soap filled withgas.. the soap bubble bust and the h2 gas burns with a pop sound
karanmanhotra47:
plzz mark as bst
Answered by
7
Hydrogen gas is liberated when an acid reacts with a metal.
Ex:
Zn + 2 HCl ↔ ZnCl₂ + H₂
In the above reaction H₂ is liberated.
Ex:
Zn + 2 HCl ↔ ZnCl₂ + H₂
In the above reaction H₂ is liberated.
how can it tested nt mentioned
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