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Nitu mixed some iron filings with sulphur powder in a China dish. She heated the contents of China dish. What did she observe during the experiment?
- a)There was no difference in the contents of China dish before and after heating.
- b)Before heating, iron filings and sulphur powder could be seen separately but after heating the content became black.
- c)Before heating, the iron filings and sulphur powder could not be seen separately.
- d)Before heating, the contents were black and after heating, iron filings and sulphur could be seen separately.
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
Nitu mixed some iron filings with sulphur powder in a China dish. She ...
On heating, iron reacts with sulphur to form black solid of iron sulphide. This is an irreversible, chemical change.
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Nitu mixed some iron filings with sulphur powder in a China dish. She ...
Observations during the experiment:
Before heating, iron filings and sulphur powder could be seen separately but after heating the content became black.
Explanation:
When Nitu mixed iron filings with sulphur powder in a China dish, she observed that the two substances were visible separately before heating. This means that the iron filings and sulphur powder did not react with each other to form a new substance.
However, when Nitu heated the contents of the China dish, she observed that the mixture turned black. This indicates that a chemical reaction took place between the iron filings and sulphur powder.
During the heating process, the iron filings and sulphur powder combine to form iron sulfide, which is a black solid. This reaction is known as a chemical change because a new substance with different properties is formed.
The black color of the mixture is evidence that the iron and sulfur have combined to form iron sulfide. This is because iron sulfide is a black compound.
Therefore, the correct observation during the experiment is that before heating, iron filings and sulphur powder could be seen separately but after heating the content became black. This observation confirms that a chemical reaction occurred between the iron filings and sulphur powder, resulting in the formation of iron sulfide.
Before heating, iron filings and sulphur powder could be seen separately but after heating the content became black.
Explanation:
When Nitu mixed iron filings with sulphur powder in a China dish, she observed that the two substances were visible separately before heating. This means that the iron filings and sulphur powder did not react with each other to form a new substance.
However, when Nitu heated the contents of the China dish, she observed that the mixture turned black. This indicates that a chemical reaction took place between the iron filings and sulphur powder.
During the heating process, the iron filings and sulphur powder combine to form iron sulfide, which is a black solid. This reaction is known as a chemical change because a new substance with different properties is formed.
The black color of the mixture is evidence that the iron and sulfur have combined to form iron sulfide. This is because iron sulfide is a black compound.
Therefore, the correct observation during the experiment is that before heating, iron filings and sulphur powder could be seen separately but after heating the content became black. This observation confirms that a chemical reaction occurred between the iron filings and sulphur powder, resulting in the formation of iron sulfide.
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Nitu mixed some iron filings with sulphur powder in a China dish. She heated the contents of China dish. What did she observe during the experiment?a)There was no difference in the contents of China dish before and after heating.b)Before heating, iron filings and sulphur powder could be seen separately but after heating the content became black.c)Before heating, the iron filings and sulphur powder could not be seen separately.d)Before heating, the contents were black and after heating, iron filings and sulphur could be seen separately.Correct answer is option 'B'. Can you explain this answer?
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Nitu mixed some iron filings with sulphur powder in a China dish. She heated the contents of China dish. What did she observe during the experiment?a)There was no difference in the contents of China dish before and after heating.b)Before heating, iron filings and sulphur powder could be seen separately but after heating the content became black.c)Before heating, the iron filings and sulphur powder could not be seen separately.d)Before heating, the contents were black and after heating, iron filings and sulphur could be seen separately.Correct answer is option 'B'. Can you explain this answer? for Class 6 2024 is part of Class 6 preparation. The Question and answers have been prepared according to the Class 6 exam syllabus. Information about Nitu mixed some iron filings with sulphur powder in a China dish. She heated the contents of China dish. What did she observe during the experiment?a)There was no difference in the contents of China dish before and after heating.b)Before heating, iron filings and sulphur powder could be seen separately but after heating the content became black.c)Before heating, the iron filings and sulphur powder could not be seen separately.d)Before heating, the contents were black and after heating, iron filings and sulphur could be seen separately.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 6 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Nitu mixed some iron filings with sulphur powder in a China dish. She heated the contents of China dish. What did she observe during the experiment?a)There was no difference in the contents of China dish before and after heating.b)Before heating, iron filings and sulphur powder could be seen separately but after heating the content became black.c)Before heating, the iron filings and sulphur powder could not be seen separately.d)Before heating, the contents were black and after heating, iron filings and sulphur could be seen separately.Correct answer is option 'B'. Can you explain this answer?.
Nitu mixed some iron filings with sulphur powder in a China dish. She heated the contents of China dish. What did she observe during the experiment?a)There was no difference in the contents of China dish before and after heating.b)Before heating, iron filings and sulphur powder could be seen separately but after heating the content became black.c)Before heating, the iron filings and sulphur powder could not be seen separately.d)Before heating, the contents were black and after heating, iron filings and sulphur could be seen separately.Correct answer is option 'B'. Can you explain this answer? for Class 6 2024 is part of Class 6 preparation. The Question and answers have been prepared according to the Class 6 exam syllabus. Information about Nitu mixed some iron filings with sulphur powder in a China dish. She heated the contents of China dish. What did she observe during the experiment?a)There was no difference in the contents of China dish before and after heating.b)Before heating, iron filings and sulphur powder could be seen separately but after heating the content became black.c)Before heating, the iron filings and sulphur powder could not be seen separately.d)Before heating, the contents were black and after heating, iron filings and sulphur could be seen separately.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 6 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Nitu mixed some iron filings with sulphur powder in a China dish. She heated the contents of China dish. What did she observe during the experiment?a)There was no difference in the contents of China dish before and after heating.b)Before heating, iron filings and sulphur powder could be seen separately but after heating the content became black.c)Before heating, the iron filings and sulphur powder could not be seen separately.d)Before heating, the contents were black and after heating, iron filings and sulphur could be seen separately.Correct answer is option 'B'. Can you explain this answer?.
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ample number of questions to practice Nitu mixed some iron filings with sulphur powder in a China dish. She heated the contents of China dish. What did she observe during the experiment?a)There was no difference in the contents of China dish before and after heating.b)Before heating, iron filings and sulphur powder could be seen separately but after heating the content became black.c)Before heating, the iron filings and sulphur powder could not be seen separately.d)Before heating, the contents were black and after heating, iron filings and sulphur could be seen separately.Correct answer is option 'B'. Can you explain this answer? tests, examples and also practice Class 6 tests.
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