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प्रश्न
The molecules of each substance are identical.
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उत्तर
This statement is true.
Explanation:
In a pure substance, all molecules are identical in composition and structure.
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संबंधित प्रश्न
Write your observation and conclusion for the following:
Ice is kept at room temperature.
Define: Gas.
Why are liquids and gases called as fluids.
Write whether the following statement are true or false.
All solids, on heating, first change to the liquid and then to the gaseous state always.
Match the following columns
| Column A | Column B | ||
| A. | A molecule is composed of | i. | does not exist free in nature. |
| B. | Ice, water and water vapour | ii. | can vibrate only up to about `10^-10`m from their mean position. |
| C. | An atom | iii. | atoms. |
| D. | Gases | iv. | are the three states of water. |
| E. | The molecules of a solid | v. | occupy space |
What are the forces of cohesion and adhesion?
Define the Intermodular force of attraction.
Describe simple experiment to show that particles of matter have the intermolecular attraction
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.
