Advertisements
Advertisements
प्रश्न
State the property of the following substance.
Magnesium reacts with dilute hydrochloric acid, liberating hydrogen gas.
पर्याय
Physical
Chemical
Advertisements
उत्तर
Chemical
संबंधित प्रश्न
Give reasons
Liquids have definite volume but no definite shape
Matter in any state is composed of particles. Compare the three states of matter i,e. solids, liquids, and gases with reference to:
(a) intermolecular space
(b) the intermolecular force of attraction
(c) movement of particles
Describe simple experiments to prove that solids occupy space
Describe simple experiments to prove that liquids have a definite volume
State the property of the following substance.
Manganese dioxide, a catalyst which alters the rate of a chemical reaction is black in colour.
In solids, the space between the particles is less than in ______.
Complete the given analogy.
Solid: Definite shape:: ______: Shape of the vessel.
Distinguish the properties of solid, liquid, and gas. Draw a suitable diagram.
What is the physical state of water at 250°C.
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]
