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प्रश्न
State whether the following is physical or chemical changes.
water cycle in nature —
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उत्तर
physical change,
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संबंधित प्रश्न
Fill in the blank.
Heat is .................... by a gas during the process of condensation.
Dissolving salt in water is a reversible change.
State the differences between a physical change and a chemical change.
Classify the following changes as physical or chemical.
Classify the following as physical or chemical change :
Growth of a plant
Classify the following as physical or chemical changes :
Breaking of a glass tumbler
What is a physical change ? Give two examples of physical changes.
Give four reasons why the burning of a magnesium ribbon in the air is considered a chemical change.
A change in which matter undergoes a change but the total mass of the substance is unaltered is a ______ change.
Mention a few physical properties of a substance.
