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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.
विकल्प
True
False
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उत्तर
False.
Correct Statement: Melting of butter and wax are examples of physical changes.
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संबंधित प्रश्न
Tick the most appropriate answer
2. Melting of ice is a
- reversible change
- irreversible change
- chemical change
- none of these
Melting of solid (wax) is a physical change.
State whether the following is physical or chemical changes.
respiration in living beings —
State whether the following is physical or chemical changes.
lightning —
State the Differences Between a Physical Change and a Chemical Change.
Filling up a balloon with hot air is a _______ change.
Stretching gold coin into a ring is a ______ change.
What is the difference between dissolution of sugar and burning of sugar ?
Analogy:
Melting of ice: Physical change.
Popping of popcorn: ______.
Mention some of the different conditions needed for chemical changes to occur.
