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प्रश्न
State the property of the following substance.
Sulphur is a yellow amorphous powder insoluble in water.
विकल्प
Physical
Chemical
उत्तर
Physical
संबंधित प्रश्न
Evaporation of a liquid causes cooling.
Evaporation takes place at ...............temperature.
Write true or false For the following Statement
The molecules in a substance arc in random motion.
Water cycle is an example of interconversion of states of water. Explain.
Give a reason for the Pure substances have fixed melting or boiling points.
Fill in the blank
Liquids have a definite ............
Write true or false for the statement. Rewrite the false statement correctly.
The intermolecular space in a gas is almost negligible.
Give two examples for of the following
Substances which do not change their states.
Fill in the blank with the correct word Given below.
Matter can change from one state to another by the change in ____
State the correct term from A, B, C, D, E, or F in List II which represents the change of state of matter or its relevant property from List I.
| List I | List II |
| 1. Solid 'X' to a Liquid 'X' | A: Condensation |
| 2. Liquid 'Y' to its vapour 'Z' | B: Vaporization |
| 3. 'Z' to 'Y' | C: Melting |
| 4. 'Y' to 'X' | D: Freezing |
| 5. The temperature at which 'Y' changes to 'Z' | E: Melting point |
| F: Boiling point |
