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प्रश्न
State whether the following statement is true or false:
Stretching of rubber bands is not a physical change.
पर्याय
True
False
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उत्तर
This statement is False.
Explanation:
Stretching of rubber bands is a physical change.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Melting of butter in a pan
Classify the following changes as physical or chemical: curdling of milk
Tick (√) the correct alternative from the choice given for the following statement
Which one of the following is volatile in nature ?
Differentiate between a physical change and a chemical change with reference to – Formation of products.
State the observations seen, when milk in a dish is kept aside for a few hours or more. Is the change which occurs – a physical change or a chemical change. Give reasons.
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.
Fill in the blank with the correct word of the statement given below:
Sublimation involves a __________ change.
State which of the following pertain to – chemical changes.
- Substance retains its identity.
- The change is permanent.
- No new substance is formed.
- Is easily reversible.
- Produces one or more new substances by a change in its composition.
- The change is temporary.
- The composition and properties of the original substance are not altered.
What type of energy changes is associated when ice melts?
Which of the following is not a physical change?
