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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 changes involved in the following process as physical or chemical changes:
Photosynthesis
Write true or false for the statement.
Dissolving of solute in a solvent and rusting of iron are both physical changes.
Is burning a physical change or a chemical change? Why?
Fill in the blank.
When a candle burns, wax melts. Melting of wax is a ________ 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.
Name the following:
The term involved in the change of state from – ‘water to ice’ – which is a physical change.
Select the correct answer from the choice given below to complete the sentence
The energy required for completion of a physical change is ______________ when the change is reversed.
Name the following.
The gaseous product of the chemical change which takes place during respiration in living organisms.
Filling up a balloon with hot air is a _______ change.
Explain the characteristics of physical change with examples.
