Take a mixture of iron fillings and sulphur powder in a test tube. Heat the test tube strongly till the mixture becomes red hot. Let the mixture cool and add dil. sulphuric acid to it. Which statement is true for the content of the test tube after the experiment?

Colourless gas with the smell of rotten eggs

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Show the property of magnetism

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Colourless and odorless gas evolves

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A physical change takes place

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Solution

The correct option is A
Colourless gas with the smell of rotten eggs

On heating sulphur powder and iron fillings, a chemical reaction takes place resulting in the formation of hydrogen sulphide gas, which is colourless and has a smell of rotten eggs.

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Similar questions

ake a mixture of iron fillings and sulphur powder in a test tube. Heat the test tube strongly till the mixture becomes red hot. Let the mixture cool and add dil. sulphuric acid to it. Which statement is true for the content of the test tube after the experiment?

Silvery grey iron filings are added to yellow sulphur powder in a test tube. The contents of the test tube were strongly heated until they glow red. On cooling, it forms a grey dull solid. Which statement is correct about the contents of the test tube in the experiment?

Q. The correct procedure of heating iron-sulphur mixture to prepare iron sulphide is :
(1) heat the powder mixture at the base of the test tube using a blue flame throughout.
(2) heat the iron filings and sulphur mixture in the middle of the test tube using yellow flame throughout.
(3) heat the powder mixture at the top of the test tube using an orange flame throughout.
(4) heat the iron fillings-sulphur mixture at 3/4 quarters of the test tube using a red flame throughout.

Which gas is produced when a mixture of iron filling and sulphur powder is treated with dilute sulphuric acid at room temperature? Which gas would be produced if the same mixture is heated strongly cooled and then treated with dilute sulphuric acid? What is the cause of difference in this property

Q. What is formed if a mixture of powdered iron and sulphur is heated in a test tube?

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Take a mixture of iron fillings and sulphur powder in a test tube. Heat the test tube strongly till the mixture becomes red hot. Let the mixture cool and add dil. sulphuric acid to it. Which statement is true for the content of the test tube after the experiment?

The correct option is A Colourless gas with the smell of rotten eggsOn heating sulphur powder and iron fillings, a chemical reaction takes place resulting in the formation of hydrogen sulphide gas, which is colourless and has a smell of rotten eggs.

The correct option is A
Colourless gas with the smell of rotten eggs

On heating sulphur powder and iron fillings, a chemical reaction takes place resulting in the formation of hydrogen sulphide gas, which is colourless and has a smell of rotten eggs.