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प्रश्न
Ice, water and water vapour look different and display different ______ properties but they are ______ the same.
उत्तर
Ice, water and water vapour look different and display different physical properties but they are chemically the same.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Burning of paper and wood
Write true or false for the statement
A natural change can also be a desirable change
Write true or false for the statement
Decomposition of leaves is a fast change.
State whether the following is physical or chemical changes.
cutting wood into small pieces —
Write true or false
Earthquake is a desirable change.
Fill in the blank
Heat is ________ by a gas during the process of condensation.
Classify the Following as a Physical Or a Chemical Change.
Making of a Sugar Solution
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.
What is the difference between dissolution of sugar and burning of sugar ?
Give two examples for each of the following cases:
Physical changes which are not reversible.
