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प्रश्न
State the main physical properties of matter.
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उत्तर
Physical Properties of Matter are:
Colour: All matter a be distinguished by their varied- colours.
Odour: Matter shows a variation in odour or smell.
Solubility: Matter may vary in solubility in water or other solvents.
Melting & Boiling Points: Substances variation in their melting and boiling points.
संबंधित प्रश्न
Give reasons
A gas fills up the space available to it.
Give reasons
The odour of scent spreads in a room.
Write whether the following statements are true or false:
Only water can exist in three different states
The three main states of matter are solids, liquids, and gases. Compare the three states with reference to the following characteristics of matter
(a) volume
(b) shape
(c) compressibility
(d) diffusion.
Complete the statement given below by selecting the correct word.
Solids and liquids have a definite ____ but gases do not.
State the property of the following substance.
Magnesium reacts with dilute hydrochloric acid, liberating hydrogen gas.
Particles in solids are free to move.
Complete the given analogy.
Solid: Definite shape:: ______: Shape of the vessel.
Complete the Analogy:
Solids: incompressible:: Gas: ______.
The density of solid Argon is 1.6 ml at - 233°C. If the Argon atom is assumed to be sphere of radius 1.5 × 10-8 cm, then the ______ % of solid Argon is apparently occupied.
[Take : NA = 6 × 1023, Atomic mass of Ar = 40]
