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प्रश्न
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.
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उत्तर
Physical property
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Passing of electric current through water, and water breaking down into hydrogen and oxygen gases.
Write short answer.
Sublimation is classified as a physical change. Why ?
Fill in the blank.
Growing of a seedling into a plant is _______ change.
Write true or false
Burning of paper and formation of curd are reversible changes.
A physical change is temporary. Explain.
Classify the following as a physical or a chemical change.
Burning of paper
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.
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.
Give a reason why rusting of iron is a chemical change but, the magnetization of iron is a physical change.
A physical change is generally____________.
