Advertisements
Advertisements
प्रश्न
Fill in the blank.
The process of a liquid changing into a solid is called ________
Advertisements
उत्तर
The process of a liquid changing into a solid is called freezing.
APPEARS IN
संबंधित प्रश्न
Classify the following as chemical or physical change:
Cutting of trees
Solve this crossword by using the clues that follow-
Across
1. Energy in the form of sunlight is absorbed by the green plants in this process.
4. The reddish-brown substance formed over iron in the presence of oxygen and moisture.
5. This change is permanent and irreversible.
6. The process in which a solid directly changes into gaseous state.
Down
1 . It is the change that takes place in case of swinging pendulum of a clock. –
2. Occurrence of this is a non-periodic change as well as a natural change.
3. It is a physical change.
State what is meant by the term – interconversion of matter. Is interconversion of matter a physical change or a chemical change.
Ammonium chloride is also a sublimable solid. Give a reason why the sublimation of ammonium chloride involves a physical and a chemical change.
Name the following.
The product obtained during a physical change when water converts from a liquid into a solid.
Name the following.
A form of energy required for a chemical change.
Digestion of food is a physical change.
Stretching gold coin into a ring is a ______ change.
______ is the Universal Solvent.
Classify the following as physical or chemical properties
The composition of a sample of steel is 98% iron, 1.5% carbon and 0.5% other elements.
