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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:
Melting of butter in a pan
Classify the following as chemical or physical change:
Rusting of almirah
How do you say that the process of digestion is a chemical change ?
State whether the following is physical or chemical changes.
cutting wood into small pieces —
State whether the following is physical or chemical change.
Digestion of food —
Photosynthesis cannot take place at night.
Classify the following as physical or chemical change :
Growth of a plant
State whether the following statement is true or false. If false write the correct statement.
Melting of butter and wax are examples of chemical changes.
Select the chemical changes from the following list of changes
Preparation of carbon dioxide from calcium carbonate & dilute hydrochloric acid.
Give the reason why the following is considered as chemical changes.
A bright light is seen evolved when a strip of magnesium is heated.
