which of these are element , compound , and mixture air , sugar, tin, copper, and carbon dioxide
Answers
Answer:
The elements are regarded as the building blocks of the universe.
Sodium, Silver, Tin and Silicon are elements.
Compounds →
It is a pure substance made up of two or more elements chemically combined in a fixed proportion by mass.
Calcium carbonate, Methane and Carbon dioxide are compounds.
Mixture →
It is a substance containing two or more substance in any proportion.
Soil, Sugar, Coal, Air, and seawater are mixtures.
Explanation:
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Correct Question :
Which of these are element , compound , and mixture :-
- Air
- Sugar
- Tin
- Copper
- Carbon dioxide
Answer :
1. Air → Mixture
Explanation :
Air is said to be a mixture because the constituents are uniformly mixed and it has the same properties throughout.
2. Sugar → Compound
Explanation :
Sugar is said to be a compound because it consists of of elements ( Carbon, Hydrogen and Oxygen ) which are combined chemically and have a definite composition.
3. Tin → Element
Explanation :
Tin ( Sn ) is said to be an element because it cannot be broken down into simpler substances by any physical or ordinary chemical means.
4. Copper → Element
Explanation :
Copper ( Cu ) is said to be an element because it cannot be broken down into simpler substances by any physical ordinary chemical means.
5. Carbon dioxide → Compound
Explanation :
Carbon dioxide is said to be a compound because it consists elements which are combined chemically and have a definite composition. The constituents can only be separated by chemical means.