Question

difference between element , compound and mixture

Answer 1

The different substances are not chemically joined together. Each substance in the mixture keeps its own properties. The compound has properties different from the elementsit contains. Each substance is easily separated from the mixture.

Answer 2

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☞ Differences between Elements,Compounds and Mixtures.

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✒ Elements

1. Elements are pure substances.
2. Element has only one kind of atom.
3. They are represented by symbols.
4. In elements smallest particle is atom.
5. We cannot divide element into two or more simpler substances by chemical or physical means.

✒ Compounds

1. Compounds are impure substances.
2. Compound have two or more kind of atom.
3. They are represented by chemical formula.
4. In compounds smallest particle is molecules.
5. We can provide compound in two elements by chemical means.

✒ Mixtures

1. Elements or compound just mixed together to form a mixture.
2. No new compounds is formed.
3. A mixture has a variable composition.
4. A mixture shows the property of the constituent substances.
5. The constituents can be separated fairly easily by physical methods.

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-: Additional Information :-

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✒ About Elements

• Elements constitute the simplest chemical substances in which all the atoms are exactly the same.
• Example :-

1. Aluminium (Al)
2. Oxygen (O)

✒ About Compounds

• Compounds are chemical substances made up of two or more elements that are chemically bound together in a fixed ratio.
• Example :-

1. Alcohol C2H6O
2. Acetic Acid C2H4O2

✒ About Mixtures

• A mixture contains more than one substance mixed in any proportion.
• There are two types of mixture homogeneous mixture and heterogeneous mixture.
• Example :-

1. Sugar Solution
2. Salt Solution

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