Advertisements
Advertisements
प्रश्न
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
विकल्प
True
False
Advertisements
उत्तर
True
APPEARS IN
संबंधित प्रश्न
Give one difference between atoms and molecules.
Give reasons
Liquids have definite volume but no definite shape
Describe simple experiments to prove that gases have no definite volume or shape.
State the property of the following substance.
Manganese dioxide, a catalyst which alters the rate of a chemical reaction is black in colour.
Particles in solids are free to move.
Complete the given analogy.
Large Inter-particle space: Gas:: ______ :solid.
Match the following.
| Srl. no. | A | B | C |
| i | Separation of visible undesirable components | Water mixed with chalk powder | Magnetic Separation |
| ii | Separation of heavier and lighter components | Sand and water | Decantation |
| iii | Separation of insoluble impurities | Iron impurities | Filtration |
| iv | Separation of magnetic components from non-magnetic components | Rice and stone | Hand-picking |
| v | Separation of solids from liquids | Husk and paddy | Winnowing |
A rubber ball changes its shape on pressing. Can it be called a solid?
What is the physical state of water at 0°C.
What is the physical state of water at 100ºC?
