While doing an experiment, iron fillings and sulphur powder are mixed properly in a container and then the mixture is heated. Explain which gas is being evolved.

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Solution

Hydrogen gas is released when the $H C l$ is added to the heated sulphur and iron mixture. This gas can be tested by bringing a burning matchstick. It will burn with a pop sound.

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Question 35
Iron fillings and sulphur were mixed together and divided into two parts, 'A' and 'B'. Part 'A' was heated strongly while part 'B' was not heated. Dilute hydrochloric acid was added to both the parts and evolution of gas were seen in both the cases. How will you identify the gases evolved?

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While doing an experiment, iron fillings and sulphur powder are mixed properly in a container and then the mixture is heated. Explain which gas is being evolved.

Hydrogen gas is released when the HCl is added to the heated sulphur and iron mixture. This gas can be tested by bringing a burning matchstick. It will burn with a pop sound.

Hydrogen gas is released when the $H C l$ is added to the heated sulphur and iron mixture. This gas can be tested by bringing a burning matchstick. It will burn with a pop sound.