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Fill in the blank:
All matter is made up of tiny particles called..................
Concept: undefined >> undefined
Fill in the blank:
Liquids have a definite ............
Concept: undefined >> undefined
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Fill in the blank:
The temperature at which a liquid boils is called the................. point of that liquid.
Concept: undefined >> undefined
Fill in the blank:
Liquids have no definite ............
Concept: undefined >> undefined
Fill in the blank:
Matter is anything that has............. and occupies .............
Concept: undefined >> undefined
Write whether the following statement is true or false.
Only water can exist in three different states.
Concept: undefined >> undefined
Write whether the following statement is true or false.
If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely.
Concept: undefined >> undefined
Write whether the following statement is true or false.
Solids have the largest inter-molecular space.
Concept: undefined >> undefined
Write whether the following statement is true or false.
There is no difference between evaporation and boiling.
Concept: undefined >> undefined
Write whether the following statement is true or false.
All solids, on heating, first change to the liquid and then to the gaseous state always.
Concept: undefined >> undefined
Write whether the following statement is true or false.
The intermolecular force of attraction is the weakest in gases.
Concept: undefined >> undefined
Write whether the following statement is true or false.
A gas has no free surface.
Concept: undefined >> undefined
Write whether the following statement is true or false.
Intermolecular force of attraction is greater in gases than in liquids.
Concept: undefined >> undefined
Write true or false for statement. Rewrite the false statement correctly.
Solids and liquids can flow.
Concept: undefined >> undefined
Write true or false for statement. Rewrite the false statement correctly.
Solids can be compressed easily.
Concept: undefined >> undefined
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles move about very quickly.
Concept: undefined >> undefined
For the following statement, say whether it describe a solid, a liquid or a gas.
Particles are quite close together.
Concept: undefined >> undefined
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles are far apart and move in all directions.
Concept: undefined >> undefined
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. |
Concept: undefined >> undefined
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 |
Concept: undefined >> undefined
