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Question
Choose the correct options for elements, compounds and mixtures.
Choose the correct options for elements, compounds and mixtures.
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Solution
The correct options are
A Sulphur- Element
B Air- Mixture
A mixture is a material made up of two or more different substances which are physically combined. Since air consists of different gases mixed together, so it is a mixture.
Sulphur is an example of an element as it is made up of sulphur atoms only.
A compound is a chemical combination of two or more elements.
When water is heated, it evaporates, and the resulting water vapours are also known as steam. Therefore steam is essentially water in the gaseous state, with exactly the same composition. Steam is made of oxygen and hydrogen atoms, so it is a compound.
A Sulphur- Element
B Air- Mixture
A mixture is a material made up of two or more different substances which are physically combined. Since air consists of different gases mixed together, so it is a mixture.
Sulphur is an example of an element as it is made up of sulphur atoms only.
A compound is a chemical combination of two or more elements.
When water is heated, it evaporates, and the resulting water vapours are also known as steam. Therefore steam is essentially water in the gaseous state, with exactly the same composition. Steam is made of oxygen and hydrogen atoms, so it is a compound.
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