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प्रश्न
Classify the changes involved in the following process as physical or chemical changes:
Photosynthesis
विकल्प
Physical change
Chemical change
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उत्तर
Chemical change
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संबंधित प्रश्न
Write true or false for the statement.
Dissolving of solute in a solvent and rusting of iron are both physical changes.
Write short answer.
Sublimation is classified as a physical change. Why ?
State the differences between a physical change and a chemical change.
How do you say that the process of digestion is a chemical change ?
State whether the following is physical or chemical changes.
photosynthesis —
Tick (√) the correct alternative from the choice given for the following statement.
The compound rust is a hydrated oxide of
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
Change of seasons
What type of energy changes is associated when ice melts?
