Question

(a) You are provided with the following substances in the laboratory : Copper sulphate,

water, sulphur power and iron filing. Describe how using two or more of these substances you can obtain the following (i) Homogeneous mixture(ii) Heterogeneous mixture(iii) Compound. Name the compound so obtained.

Answer 1

Dear student!

Copper sulphate + water will give a homogeneous solution mixture, while the iron filling and sulphur powder will give the heterogeneous mixture and iron fillings and water will form iron oxide (the rust) which is a compound.

2Fe + 3H₂O--> Fe₂O₃ + 3H₂