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प्रश्न
Give reasons for the following:
Water on freezing turns into ice.
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उत्तर
Every pure substance has a fired melting point or boiling point.
संबंधित प्रश्न
Define the following term.
Element
Fill in the blank:
Water boils at ............
Fill in the blank:
Liquids have no definite ............
Give two examples of the following:
Substances which do not change their states.
Fill in the blank.
Water is a matter because it has mass and occupies _______
Fill in the blank
The molecules are at a greater distance in ______ compared to liquids.
Fill in the blank
Molecules in a ________ are packed very closely.
Even two or three crystals of potassium permanganate can impart colour to a very large volume of water. Which characteristic of particles of matter is illustrated by this observation?
Give reasons for the following:
Sugar can be distinguished from talcum powder using water.
Complete the statement given below by selecting the correct word.
The space between atoms in gases is maximum while in ____ is minimum,
