8. On heating a mixture of iron filings and sulphur, it is observed that:
a. the mixture sublimes
b. a grey mass is formed
c. brown fumes are evolved
d. no change occurs
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8. On heating a mixture of iron filings and sulphur, it is observed that:
a. the mixture sublimes
b. a grey mass is formed
c. brown fumes are evolved
d. no change occurs
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Answer:
a grey mass is formed
Explanation:
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Answer:
The correct answer is option b)a grey mass is formed.
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