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प्रश्न
Name the following.
A form of energy required for a chemical change.
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उत्तर
Generally, HEAT ENERGY is required but light, pressure, or electricity can also be needed.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Burning of paper and wood
Fill in the blank.
Growing of a seedling into a plant is _______ change.
A physical change is temporary. Explain.
Classify the Following as a Physical Or a Chemical Change.
Curdling of Milk
Ammonium chloride is also a sublimable solid. Give a reason why the sublimation of ammonium chloride involves a physical and a chemical change.
Photosynthesis is a natural process by which green plants manufacture food in the presence of sunlight.
State the conclusions which can be drawn, to represent photosynthesis as a physical or a chemical change.
Compare the energy changes involved during a physical and a chemical change.
Select the chemical changes from the following list of changes
Respiration in mammals.
Natural changes which take place in nature on their own, are beyond the control of human being.
Water is known as a universal solvent. Why?
