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प्रश्न
Describe simple experiments to prove that liquids have mass
उत्तर
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.
संबंधित प्रश्न
Fill in the blanks:
The physical state of a substance, which has neither fixed volume nor fixed shape is a ______.
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
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles move about very quickly but do not leave the surface
Fill the following chart showing twelve solids, twelve liquids, four gases and eight materials.
State the property of the following substance.
Chlorine gas has a – strong irritating odor.
State the property of the following substance.
Manganese dioxide, a catalyst which alters the rate of a chemical reaction is black in colour.
Filtration method is effective in separating ______ mixture.
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 |
Distinguish the properties of solid, liquid, and gas. Draw a suitable diagram.
______ particles are tightly packed into a definite shape.
