(N/A) ElementCompound$(1)$ It is the simplest form of matter that cannot be broken down into simpler substances by chemical reactions.$(1)$ It is a su

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(N/A) ElementCompound$(1)$ It is the simplest form of matter that cannot be broken down into simpler substances by chemical reactions.$(1)$ It is a substance composed of two or more elements chemically combined in a fixed proportion.$(2)$ It consists of only one type of atom.$(2)$ It can be separated into its constituent elements by chemical reactions.Example of an element: $Copper (Cu)$.Example of a compound: $Water (H_{2}O)$.

Class 9 Science IS MATTER AROUND US PURE?Mix Example - IS MATTER AROUND US PURE?

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Differentiate between an element and a compound (any two points). Give one example each.

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(N/A)

Element	Compound
$(1)$ It is the simplest form of matter that cannot be broken down into simpler substances by chemical reactions.	$(1)$ It is a substance composed of two or more elements chemically combined in a fixed proportion.
$(2)$ It consists of only one type of atom.	$(2)$ It can be separated into its constituent elements by chemical reactions.

Example of an element: $Copper (Cu)$.
Example of a compound: $Water (H_{2}O)$.

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IS MATTER AROUND US PURE?

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Mix Example - IS MATTER AROUND US PURE?

Write the role of the following in a water purification system:
$(a)$ Sedimentation tank
$(b)$ Loading tank
$(c)$ Chlorination tank

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How can we obtain a coloured component (dye) from blue/black ink?

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You are given two samples of water labelled as $A$ and $B$. Sample $A$ boils at $100\,^{\circ}C$ and sample $B$ boils at $102\,^{\circ}C$. Which sample of water will not freeze at $0\,^{\circ}C$? Comment.

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Iron filings and sulphur were mixed together and divided into two parts,$A$ and $B$. Part $A$ was heated strongly while Part $B$ was not heated. Dilute hydrochloric acid was added to both the parts and evolution of gas was seen in both the cases. How will you identify the gases evolved?

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Sucrose (sugar) crystals obtained from sugarcane and beetroot are mixed together. Will it be a pure substance or a mixture? Give reasons for the same.

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Differentiate between an element and a compound (any two points). Give one example each.

Similar Questions

Write the role of the following in a water purification system:$(a)$ Sedimentation tank$(b)$ Loading tank$(c)$ Chlorination tank

How can we obtain a coloured component (dye) from blue/black ink?

You are given two samples of water labelled as $A$ and $B$. Sample $A$ boils at $100\,^{\circ}C$ and sample $B$ boils at $102\,^{\circ}C$. Which sample of water will not freeze at $0\,^{\circ}C$? Comment.

Iron filings and sulphur were mixed together and divided into two parts,$A$ and $B$. Part $A$ was heated strongly while Part $B$ was not heated. Dilute hydrochloric acid was added to both the parts and evolution of gas was seen in both the cases. How will you identify the gases evolved?

Sucrose (sugar) crystals obtained from sugarcane and beetroot are mixed together. Will it be a pure substance or a mixture? Give reasons for the same.

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Write the role of the following in a water purification system:
$(a)$ Sedimentation tank
$(b)$ Loading tank
$(c)$ Chlorination tank