Advertisements
Advertisements
प्रश्न
Describe simple experiments to prove that gases have mass.
Advertisements
उत्तर
Have mass
Experiment:
An inflated balloon placed on one side of the scale causes it to tilt towards one side.
Conclusion: The scale tilts due to the mass of the gas, hence all gases have mass.
संबंधित प्रश्न
Name the smallest particle from which matter is made up.
Fill in the blanks:
______ and ______ can flow.
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles are quite close together
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 liquids have no definite shape
Describe simple experiments to prove that gases occupy space.
Filtration method is effective in separating ______ mixture.
In solids, the space between the particles is less than in ______.
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?
