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प्रश्न
Physical Change: Boiling::Chemical Change: ______.
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उत्तर
Physical Change: Boiling::Chemical Change: Burning
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संबंधित प्रश्न
State the differences between a physical change and a chemical change.
Is burning a physical change or a chemical change? Why?
What do you observe when :
lighted match stick is brought near the mouth of the test tube containing hydrogen gas.
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
Fill in the blanks with the appropriate words of the statement given below:
Heating a piece of iron is considered a __________ change while heating a piece of coal [carbon] is considered a ___________ change.
Select the chemical changes from the following list of changes
Boiling of milk.
Classify the following as physical or chemical properties
The composition of a sample of steel is 98% iron, 1.5% carbon and 0.5% other elements.
Give two examples for the following case:
Physical changes which are reversible
Give two examples for the following case:
Physical changes which are not reversible
Keeping a stone in sunlight for few hours is ______.
