Advertisements
Advertisements
प्रश्न
Select the correct answer from the choice given below to complete the sentence
A change in which a substance retains its identity is a
______ change.
विकल्प
physical
chemical
उत्तर
A change in which a substance retains its identity is a physical change.
APPEARS IN
संबंधित प्रश्न
Tick the most appropriate answer
2. Melting of ice is a
- reversible change
- irreversible change
- chemical change
- none of these
Fill in the blank.
Changes that occur in nature are called ........................
State the differences between a physical change and a chemical change.
Write true or false
Decomposition of leaves is a fast change.
A physical change is temporary. Explain.
Classify the following as a physical or a chemical change.
Drying of wet clothes
Distinguish between the following.
Physical change and chemical change
Give reasons why – separation of mixtures e.g. iron from a mixture of iron and sulphur is a physical change, but heating a mixture of iron and sulphur is considered a chemical change.
Sublimation of Iodine is a ______.
Explain the characteristics of physical change with examples.
