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प्रश्न
Melting of solid (wax) is a physical change.
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उत्तर
Melting of solid wax is a physical change because no new substance is formed during this change.
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संबंधित प्रश्न
What do you observe when :
solid ammonium chloride is heated
What do you observe when :
a spoon of sugar is heated in a pan
Tick (√) the correct alternative from the choice given for the following statement
Burning is a
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Fill in the blanks with the appropriate words of the statement given below:
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Fill in the blank with the correct word of the statement given below:
Ammonium chloride, a sublimable solid undergoes _________ on heating.
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