Question

which of the following have fixed boiling point and melting points
a)sea water
b)ferrum
c)milk
d)starch solution ​

Answer 1

Ferrum have fixed boiling point and melting points.

Option: (b)

Explanation:

• Ferrum is the Latin name of iron. Among the above, all are mixtures except ferrum.  

• In case of mixture the boiling and the melting point depends on the amount and the nature of the material that constitutes the mixture.  

• In case of compounds and element they have fixed ‘melting and boiling point’. Starch solutions, milk and sea water are all mixtures.

• Hence their melting point varies, but ferrum being an element has its physical values fixed.

Learn more about Ferrum

What is ferrum.??

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