Chemistry
What do you observe when a magnet is brought near a mixture of iron and sulphur ?
Related Questions
Define the following with an example for each:
(a) Pure substance
(b) Impure substance
(c) Alloy
(d) Solution
(e) Heterogeneous mixture
(f) Homogeneous mixture
Give one difference between pure substances and mixtures.
Give reason:
Why do sugar and water retain their individual properties in a sugar solution?
Give reason:
Why do petrol and water form a heterogeneous mixture ?