Question

which gas is released when metal react with acid and how would you test this gas​

Answer 1

Answer:

Hydrogen gas is released when metal react with acid.

We can test this(hydrogen) gas by bringing a burning splinter near the test tube.

Answer 2

Answer:

acid+metal ---------> salt+ hydrogen

test for hydrogen gas:

• the gas is

1. colourless
2. odourless
3. neutral to litmus

• it burns with

1. a pale blue flame
2. a pop sound