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प्रश्न
State whether the following is physical or chemical changes.
mixing oil with water —
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उत्तर
physical change.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Passing of electric current through water, and water breaking down into hydrogen and oxygen gases.
Classify the following as chemical or physical change:
Making a fruit salad with raw fruits
Write true or false for the statement
Decomposition of leaves is a fast change.
Which of the following are physical changes and which are chemical changes ?
Rusting of iron
Change is the law of nature and occurs in our everyday life, at all times and in all places.
Differentiate between the following change with a suitable example.
Periodic and non-periodic change
Differentiate between a physical change and a chemical change with reference to – Energy change taking place during the respective change.
State which of the following terms connected with change of state of matter i.e.
(a) Melting
(b) Vaporisation
(c) Condensation
(d) Freezing
pertain to –
- Conversion of a liquid into a vapour or gas.
- Conversion of a liquid into a solid.
- Conversion of a solid into a liquid on heating.
Select the chemical changes from the following list of changes
Rotting of eggs.
Physical Change: Boiling::Chemical Change: ______.
Water is the universal solvent. Why?
