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प्रश्न
Multiple choice question.
All kinds of matter
पर्याय
occupy space and have definite mass
have mass and definite shape
can change their states
have definite volume
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उत्तर
occupy space and have definite mass
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संबंधित प्रश्न
State three main characteristics of the particles of matter.
Define Intermolecular force of attraction.
For the following statements, say whether it describes a solid, a liquid or a gas.
Particles move about very quickly.
What are the forces of cohesion and adhesion?
Fill in the blank
Molecules in a ............ are packed very closely.
Write whether the following statement is true or false.
Solids have the largest inter-molecular space.
Match the following
| Column A | Column B |
| (a) Solids | (i) Can flow in all directions |
| (b) Sublimation | (ii) The temperature at which a liquid changes into its gaseous state. |
| (c) Boiling point | (iii) Any number of free surfaces. |
| (d) Gases | (iv) Gaps between particles. |
| (e) Intermolecular space | (v) Changes of state from solid to gas. |
Fill in the blank:
Matter made up of one kind of particle is said to be _________.
Give a reason for the following:
An empty tumbler lowered into a glass beaker containing water, on tilting shows bubbles of air coming out, but when not tilted, no bubbles are seen.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
