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प्रश्न
Which of the following are physical changes and which are chemical changes ?
Freezing of water
विकल्प
Physical change
Chemical change
उत्तर
Freezing of water – Physical change
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Making a fruit salad with raw fruits
State whether the following is physical or chemical changes.
heating a mixture of iron filings and sulphur—
State whether the following is physical or chemical changes.
Slaking of lime —
True or false
Is melting of ice a reversible change?
Given reason:
Burning of paper is a chemical change.
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.
Natural and man-made change.
Differentiate between a physical change and a chemical change with reference to – Nature of change is temporary and reversible or permanent and irreversible.
State what is meant by the term – interconversion of matter. Is interconversion of matter a physical change or a chemical change.
Select the chemical changes from the following list of changes
Change of seasons
Give the reason why the following is considered as chemical changes.
An iron nail kept open in the atmosphere rusts.
