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प्रश्न
Classify the following as a physical or a chemical change.
Manufacture of salt from sea water
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उत्तर
Physical change
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Dissolving common salt in water.
Classify the changes involved in the following process as physical or chemical changes:
Photosynthesis
Fill in the blank.
Heat is .................... by a gas during the process of condensation.
State whether the following is physical or chemical changes.
photosynthesis —
State the Differences Between a Physical Change and a Chemical Change.
State the various conditions that favour the process of evaporation.
Fill in the blank.
There is no change in the _____________of the substance during a physical change.
Higher order Thinking question
Boiling of water is a physical change; but boiling of egg is a chemical change. Why?
Ice, water and water vapour look different and display different ______ properties but they are ______ the same.
State whether the following statement is true or false:
Anaerobic bacteria digest animal waste and produce biogas.
