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प्रश्न
Fill in the blank.
There is no change in the _____________of the substance during a physical change.
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उत्तर
There is no change in the composition of the substance during a physical change.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Making a fruit salad with raw fruits
What do you observe when :
lighted match stick is brought near the mouth of the test tube containing hydrogen gas.
State whether the following is physical or chemical changes.
Slaking of lime —
Tick (√) the correct alternative from the choice given for the following statement
A pop sound is heard when a lighted match stick is brought near the mouth of a jar. This indicates the release of gas.
Which of the following are chemical changes ?
- decaying of wood
- burning of wood
- sawing of wood
- hammering of nail into wood
What will you take into account while identifying the following?
A physical change in a substance.
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.
Give the reason why the following is considered as chemical changes.
A piece of magnesium strip is dropped into a beaker containing dilute hydrochloric acid.
Name the following.
The product of the chemical change in keeping a polished iron nail exposed to the atmosphere.
Which of the following is not a physical change?
