Question

which gas is usually liberated when an acid reacts with a metal ? with an example. hiw will you test fir the presence of this gas?

Answer 1

Hydrogen gas is usually liberated when an acid reacts with a metal.
test for this experiment-

Take few pieces of zinc granules and add 5 ml of dilute H2SO4. Shake it and pass the gas produced into a soap solution. The bubbles of the soap solution are formed. These soap bubbles contain hydrogen gas.

We can test the evolved hydrogen gas by its burning with a pop sound when a candle is brought near the soap bubbles.
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Answer 2

HEY MATE ♥♥❕❕


⭐⭐HERE IS UR ANSWER ⭐⭐

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➡ GENERALLY, HYDROGEN GAS IS LIBERATED WHEN ACID REACTS WITH A METAL .

➡ THE VERY COMMON EXAMPLE IS REACTION OF ZINC WITH ACIDS.

Zn(s) + 2HCL(aq) ➡ ZnCl2 (aq) + H2 (g)

➡THE HYDROGEN GAS IS TESTED BY BURNING TEST.

➡ WHEN BURNING MATCH STICK IS BROUGHT NEAR THE CYLINDER FILLED WITH HYDROGEN GAS,IT BURNS WITH POP SOUND.

⭐⭐HOPE IT HELPS U ⭐⭐

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