Question

When acids react with metal carbonates it releases carbon dioxide gas,how to check that the released gas is carbon dioxide

Answer 1

Answer:

There are various ways by which we can identify the evolution of carbon dioxide gas:

i) When you bring a glowing splinter near the test tube , it will extinguish showing the presence of carbon dioxide gas.

ii) When you dissolve carbon dioxide into calcium hydroxide solution also known as lime water it turns milky indicating the presence of carbon dioxide gas.

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Answer 2

ANSWER :If you bring an ignited matchstick near carbondioxide, the match stick is

extinguished.

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