Classify the following into elements, compounds, and mixtures. a) Sodium b) Soil c) Sugar solution d) Silver e) Calcium carbonate f) Tin g) Silicon h) Coal i) Air j) Soap k) Methane l) Carbon dioxide m) Blood
Answers
Classification of the given substances into elements compounds and mixtures:
Elements: Sodium, Silver, Tin and Silicon
Compounds: Calcium carbonate, Methane and carbon dioxide.
Mixtures: Soil, Sugar solution, Coal, Air, Soap and Blood.
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Answer:
definition of elements:
It is defined as a substance that consists only one kind of atom.
definition of compounds:
they are chemical substance where two or more elements are bonded together chemically.
Definition of mixture:
they are substance that are mixed together but are not chemically bonded.
h.coal
it is heterogeneous mixture of carbon,sulphur, volatile, impurities, hydrogen and moisture.thus,is it classified as mixture.
Air
it is classified as a mixture as it consists of various gases like oxygen, nitrogen, carbon dioxide.etc
J. soap
is classified as a mixture as it consists of a sodium salts of various naturally occurring fatty acid.
Methane
consist of carbon add hydrogen atoms does it is classified as compounds.
l.carbon dioxide
it consists of carbon and oxygen atoms thus is classified as compounds
Blood
consist of red blood cell, white blood cell, plasma and platlets and hence classified as a mixture.
Explanation:
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