SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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An element
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A compound
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A homogeneous mixture
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A heterogeneous mixture
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Detailed explanation-1: -Solution of salt in water, air, alloy are all examples of homogeneous mixture. They are formed by mixing different elements in to form a mixture which is in single state.
Detailed explanation-2: -There are two main categories of mixtures: homogeneous mixtures and heterogeneous mixtures.
Detailed explanation-3: -Matter can be classified into two broad categories: pure substances and mixtures. A pure substance is a form of matter that has a constant composition and properties that are constant throughout the sample. Mixtures are physical combinations of two or more elements and/or compounds.
Detailed explanation-4: -Salt water is a solution because it has these two characteristics: it has the same concentration of each of its parts throughout the solution, and it can be separated by some physical process.