Advertisements
Advertisements
Question
Describe simple experiments to prove that liquids have mass
Solution
have mass - a liquid occupies mass
Experiment: A liquid placed on one side of the scale, causes the scale to tilt towards one side.
Conclusion: The scale tilts due to the mass of the liquid, hence all liquids have mass.
RELATED QUESTIONS
State two characteristic properties of a solid.
Give reasons
The odour of scent spreads in a room.
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles are quite close together
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.
Describe simple experiments to prove that solids have mass
Describe simple experiments to prove that solids have a definite volume
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 |
The feather and paper cup can float on the water.
What is the physical state of water at 250°C.
What is the physical state of water at 100ºC?