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प्रश्न
A substance which can change its state
विकल्प
wood
oxygen
paper
cloth
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उत्तर
oxygen
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संबंधित प्रश्न
Name the terms for the process due to which a solid directly changes into its vapours.
Classify the following into solid, liquid and gas:
Coal, kerosene, wood, oxygen, sugar, blood, water vapour, milk, wax.
Define the following term Element .
For the following statements, say whether it describes a solid, a liquid or a gas.
Particles are far apart and move in all directions
Fill in the blank
All the molecules of a substance are .............
Define matter. What is its composition?
One litre of water has 6.02 × 1026 molecules. Estimate the size of a molecule.
Water, mercury and bromine are similar to each other, because three are ______.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
