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प्रश्न
Fill in the blank with the correct word of the statement given below:
Sublimation involves a __________ change.
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उत्तर
Sublimation involves a physical change.
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संबंधित प्रश्न
Fill in the blank.
Growing of a seedling into a plant is _______ change.
Give two examples of periodic changes.
Given reason:
Freezing of water to ice and evaporation of water are physical changes.
State what is meant by the term – interconversion of matter. Is interconversion of matter a physical change or a chemical change.
Explain the term – ‘sublimation’. Is sublimation of naphthalene – a physical or a chemical change. Give reasons.
Fill in the blanks with the appropriate words of the statement given below:
Heating a piece of iron is considered a __________ change while heating a piece of coal [carbon] is considered a ___________ change.
Select the correct answer from the choice given below to complete the sentence
A change in which a substance retains its identity is a
______ change.
A change in which matter undergoes a change but the total mass of the substance is unaltered is a ______ change.
Natural changes which take place in nature on their own, are beyond the control of human being.
A physical change is generally____________.
