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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
उत्तर
True
APPEARS IN
संबंधित प्रश्न
Give reasons
When a teaspoon of sugar is added to half a glass of water and stirred, the water level in the glass remains unchanged.
Give reasons
A red ink drop added to small amount of water in a glass turns the water red in some time.
Write whether the following statements are true or false:
Only water can exist in three different states
Describe simple experiments to prove that solids have mass
Describe simple experiments to prove that gases have mass.
Strainer is a kind of sieve which is used to separate a liquid from solid.
Complete the given analogy.
Solid: Rigidity:: Gas: ______
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 |
Identify the state of matter based on the arrangement of the molecules.
How the matter is grouped on the basis of physical states?
