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प्रश्न
Stretching gold coin into a ring is a ______ change.
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उत्तर
Stretching gold coin into a ring is a
physical change.
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संबंधित प्रश्न
Fill in the blank.
An earthquake is a .................. change.
Write true or false for the statement
A natural change can also be a desirable change
State whether the following is physical or chemical changes.
water cycle in nature —
Separate the following into physical and chemical changes :
Sublimation of a solid, Decomposition of water into hydrogen and oxygen by passing electric current, Formation of clouds, Making a fruit salad from raw fruits, Dissolving carbon dioxide in water
What is a chemical change ? Give two examples of chemical changes.
Given reason:
Burning of paper is a chemical change.
Fill in the blank with the appropriate word of the statement given below:
If a change is permanent and irreversible it is considered a _________ change.
Select the chemical changes from the following list of changes
Respiration in mammals.
Give the reason why the following is considered as chemical changes.
Copper carbonate on heat gives copper oxide and carbon dioxide.
Which of the following is a physical change?
