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प्रश्न
Fill in the blank:
The molecules are made up of ________
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उत्तर
The molecules are made up of atoms.
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संबंधित प्रश्न
State three main characteristics of the particles of matter.
Why are liquids and gases called as fluids.
Name the terms for the process due to which a solid directly changes into its vapours.
Name the smallest particle from which matter is made up.
State whether the following statement is True or False:
Only water can exist in three different states
One litre of water has 6.02 × 1026 molecules. Estimate the size of a molecule.
Define Element.
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.
Match the following
| Column A | Column B |
| (a) Solids | (i) Can flow in all directions |
| (b) Sublimation | (ii) The temperature at which a liquid changes into its gaseous state. |
| (c) Boiling point | (iii) Any number of free surfaces. |
| (d) Gases | (iv) Gaps between particles. |
| (e) Intermolecular space | (v) Changes of state from solid to gas. |
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
