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प्रश्न
What is mass ?
व्याख्या
एका वाक्यात उत्तर
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उत्तर
Mass is the quantity of matter contained in the body.
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संबंधित प्रश्न
Define the following term.
Element
Write whether the following statement is true or false.
Intermolecular force of attraction is greater in gases than in liquids.
Match the following
| Column A | Column B |
| (a) Solids | (1) Can flow in all directions. |
| (b) Sublimation | (2) The temperature at which a liquid changes into its gaseous state. |
| (c) Boiling point | (3) Any number of free surfaces. |
| (d) Gases | (4) Gaps between particles. |
| (e) Intermolecular space | ro(5) Change of state fm solid to gas. |
Match the columns.
| (1) iron and gold | (a) molecules are very far apart |
| (2) melting | (b) pure substance |
| (3) intermolecular space | (c) non - metals |
| (4) compound | (d) the space between the molecules |
| (5) gases | (e) change from solid to liquid |
| (f) metals |
What happens when a solid is heated ?
Give reason of Why do liquids and gases flow but solids do not ?
Fill in the blank
The molecules are at a greater distance in ______ compared to liquids.
Give reasons for the following:
Sugar can be distinguished from talcum powder using water.
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to compressibility.
Among the following ______ is not a mixture.
