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प्रश्न
Select the chemical changes from the following list of changes
Boiling of milk.
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उत्तर
Boiling milk is PHYSICAL change as no change in composition, temporary and reversible, no new substance with new properties is formed.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Cutting of trees
Which of the following are chemical changes?
- Growth of a plant
- Rusting of iron
- Mixing of iron fillings and sand
- Cooking of food
- Digestion of food
- Freezing of water
- Burning of candle
Photosynthesis cannot take place at night.
Given reason:
Burning of paper is a chemical 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.
Name the following:
The term involved in the change of state from – ‘water to ice’ – which is a physical change.
Give a reason why – Addition of zinc nitrate to water is a physical change but, the addition of zinc to dilute nitric acid is a chemical change.
Select the chemical changes from the following list of changes
The crystallisation of salt from its solution.
When ice melts to form water, change occurs in its
Natural changes which take place in nature on their own, are beyond the control of human being.
