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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
Classify the following as chemical or physical change:
Making a fruit salad with raw fruits
State three differences between evaporation and boiling
Classify the following as a physical or a chemical change.
Butter getting rancid
Change is the law of nature and occurs in our everyday life, at all times and in all places.
Differentiate between the following change with a suitable example.
Natural and man-made change.
Change is the law of nature which occurs in everyday life.
State when a substance [i.e. matter] undergoes a kind of change.
Give a reason why – Heating a platinum wire is a reversible change but, heating a magnesium wire is an irreversible change.
Name the following.
The gaseous product of the chemical change which takes place during respiration in living organisms.
In a solution of salt in water, water is the solute
What type of energy changes is associated when ice melts?
If you leave a piece of iron in the open for a few days, it acquires a film of brownish substance, called rust.
Do you think rust is different from iron?
