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प्रश्न
What is the general name of :
- rigid form of matter ?
- fluid forms of matter ?
उत्तर
- Rigid form of matter is called 'solid'.
- Fluid form of matter is called 'liquid' or 'gas'.
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संबंधित प्रश्न
A diver is able to cut through water in a swimming pool. Which property of matter does this observation show?
Give two example of the following:
The substances which sublime.
Write your observation and conclusion for the following:
When one of the balloons suspended to the metre scale is punctured while other remains inflated ?
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 |
Which of the following is a property of the liquids ?
- they can flow
- they are malleable
- they have a definite shape
- they are rigid
When a stone is dipped in a glass containing some water, the level of water rises but when a spoon of sugar is added to it and stirred, the water level does not rise?
Give reason of Why do liquids and gases flow but solids do not ?
The state of matter which has no definite shape or volume is called
Give a reason for the following:
Liquids have one free upper surface only.
