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प्रश्न
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.
पर्याय
True
False
उत्तर
False.
Correct Statement: Melting of butter and wax are examples of physical changes.
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संबंधित प्रश्न
Explain the following giving an example.
Pure substance
Fill in the blank.
Changes that occur in nature are called ........................
State whether the following is physical or chemical changes.
respiration in living beings —
Write true or false
Earthquake is a desirable change.
True or false
Is the process of digestion a physical change?
State why addition of sodium chloride to water is considered a physical change, while addition of dilute sulphuric acid to zinc is considered a chemical change.
Name the following:
The type of change physical or chemical involved – ‘when a substance undergoes a change in state, colour or size’.
Is a change of state of matter – a physical or a chemical change. Give reasons.
Classify the following as physical or chemical properties
Metallic sodium is soft enough to be cut with a knife.
Which of the following is a physical change?
