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प्रश्न
State whether the following is physical or chemical changes.
shaping a piece of glass —
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उत्तर
physical change,
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Dissolving common salt in water.
Classify the following as chemical or physical change:
Making a fruit salad with raw fruits
Write short answer.
Sublimation is classified as a physical change. Why ?
Classify the following changes as physical or chemical: curdling of milk
State one instance where water undergoes a physical change and one in which it undergoes a chemical change.
Photosynthesis is a natural process by which green plants manufacture food in the presence of sunlight.
State the conclusions which can be drawn, to represent photosynthesis as a physical or a chemical change.
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.
Distinguish physical and chemical changes.
______ is the substance that is dissolved in a solvent.
Water is the universal solvent. Why?
