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प्रश्न
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 |
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उत्तर
| Column A | Column B | ||
| A. | A molecule is composed of | iii. | atoms. |
| B. | Ice, water, and water vapour | iv. | are the three states of water. |
| C. | An atom | i. | does not exist free in nature. |
| D. | Gases | v. | occupy space |
| E. | The molecules of a solid | ii. | can vibrate only up to about `10^-10`m from their mean position. |
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संबंधित प्रश्न
Fill in the blank:
The molecules are made up of ________
State whether the following statement is True or False:
Only water can exist in three different states
Name the smallest particle from which matter is made up.
Give reason :
When a teaspoon of sugar is added to half a glass of water and stirred, the water level in the glass does not rise.
Multiple choice question.
Which one is a kind of matter:
Identify the odd term out and explain.
Hydrogen, sodium, potassium, carbon
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 'Y' | A: Liquefaction |
| 2. Liquid 'Y' to its vapour 'Z' | B: Vaporization |
| 3. 'Z' to 'Y' | C: Melting |
| 4. 'Y' to 'X' | D: Solidification |
| 5. The temperature at which 'Y' changes to 'Z' | E: Melting Point |
| F: Boiling point |
Give a reason for the following:
Globules of mercury kept in a petri dish, which is shaken slowly, come together forming a big globule.
Write scientific reason.
Lemon sherbat has a sweet, sour and salty taste and it can be poured into a glass.
Write scientific reasons.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
