Aron went to the chemical laboratory in his school to do an experiment on iron filling and sulphur. First he took 3 g of sulphur and then 5 g of iron filling. He put them on a china dish and heated it till the mixture became red hot. Then he let the mixture cool and weighed the mixture. The quantity seemed less to the naked eyes, but after he saw the weight he was surprised.
a. How much did the mixture weight at the end?
b. Which law is applicable here?
c. State one property of a compound .
d. What is the name of the compound formed?
Answers
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mixture occurs when you combine matter so that the components can be separated again. A compound results from a chemical reaction between components, forming a new substance. For example, you can combine iron filings with sulfur to form a mixture. All it takes is a magnet to separate the iron from the sulfur. On the other hand, if you heat the iron and sulfur, you form iron sulfide, which is a compound; the iron and sulfur can no longer be separate from one another
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Answer:
a. 3g+5g=8g
b. Law of conservation of mass
d. compound formed is iron sulphate
c. It is odourless.
Explanation:
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