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प्रश्न
State the property of the following substance.
Hydrogen sulphide gas has a strong rotten egg odour.
विकल्प
Physical
Chemical
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उत्तर
Physical
संबंधित प्रश्न
Water evaporates only at 100°C.
Write true or false For the following Statement
The molecules in a substance arc in random motion.
State three characteristics of molecules of matter.
Distinguish between solids, liquids, and gases on the basis of their following properties :
(a) compressibility
(b) fluidity
(c) rigidity
(d) expansion on heating
Classify the following into solids, liquids, and gases. Oxygen, milk, common salt, wax, stone, water vapour, carbon-dioxide, sugar, mercury, coal, blood, butter, copper, coconut oil, kerosene.
Give a reason for the Gases can be compressed easily.
Multiple choice question.
There are large intermolecular gaps in
Complete the statement given below by selecting the correct word.
____ is an example of a crystalline substance.
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 |
