Question

You are provided with the following substances in the laboratory . Copper sulphate, water , sulphur powder and iron filling. Describe how using two or more of the substances you can obtain the following .
1.heterogeneous mixture
2.homogenous mixture
3. compound .
Name the compound so obtained .​

Answer 1

Explanation:

Copper sulphate + Water.

Sulphur powder + Water.

Sulphur powder + Iron fillings

.

Compound obtained - FeS , FeS2.

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Answer 2

Answer:

• The heterogeneous mixture-water(liquid) + iron filling(solid)
• The homogenous mixture-copper sulfate + water  
• Compound- the reaction between copper sulfate with iron fillings will give the compounds iron(II) sulfate and the element copper.

Explanation:

First let's understand what are heterogeneous mixture, homogenous mixture, and compounds.

• The heterogeneous mixture-When the composition of a solution is not uniformly distributed throughout, the mixture is said to be heterogeneous. A heterogeneous mixture has two or more phases.

 Example- water(liquid) + iron filling(solid)

• The homogenous mixture-A mixture that is homogenous has the same proportions of its constituent parts throughout a given sample, whether it be a solid, liquid, or gaseous mixture. Its makeup is constant throughout. There is just one observable phase of substance in a homogeneous mixture.

Example- copper sulfate + water     ( as copper sulfate will dissolve in water and will stay in liquid form along with water)

• Compound- Chemical substances known as compounds are composed of two or more elements that are chemically bound together in a specific proportion.

For example- the reaction between copper sulfate with iron fillings will give the compounds iron(II) sulfate and the element copper. i.e.

Fe+CuSO₄⇒FeSO₄+Cu

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