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प्रश्न
True or false
Dissolving of a solid in liquid is a physical change.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
Fill in the blank.
Growing of a seedling into a plant is _______ change.
Fill in the blank
Changes that occur in nature are called ______
Fill in the blank
Heat is ________ by a gas during the process of condensation.
Make a list of different types of changes with example.
Differentiate between a physical change and a chemical change with reference to – Formation of products.
Give three reasons why melting of wax, is considered a physical change while burning of a candle, a chemical change.
Give a reason why
Freezing of water is a reversible change while burning of a candle – an irreversible change.
Give a reason why – Heating a platinum wire is a reversible change but, heating a magnesium wire is an irreversible change.
Higher order Thinking question
Boiling of water is a physical change; but boiling of egg is a chemical change. Why?
The change of state of a substance from solid to liquid and liquid to gas is ______.
