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प्रश्न
Select the chemical changes from the following list of changes
The occurrence of lightning.
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उत्तर
Occurance of lightening is a CHEMICAL change, energy is produced, a new substance with new properties is produced.
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संबंधित प्रश्न
Melting of solid (wax) is a physical change.
State whether the following is physical or chemical changes.
cutting wood into small pieces —
Give two examples of periodic changes.
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
Drying of a fruit
Name the following.
The product obtained during a physical change when water converts from a liquid into a solid.
Natural changes which take place in nature on their own, are beyond the control of human being.
Water is the universal solvent. Why?
State whether the following statement is true or false:
Stretching of rubber bands is not a physical change.
Cutting a log of wood into pieces is a chemical change.
