Advertisements
Advertisements
Question
Name the following:
The term involved in the change of state from – ‘water to ice’ – which is a physical change.
Solution
Freezing Point.
APPEARS IN
RELATED QUESTIONS
Write true or false for the statement.
Dissolving of solute in a solvent and rusting of iron are both physical changes.
Chemical changes are accompanied by changes in energy.
State the various conditions that favour the process of evaporation.
State whether the following is physical or chemical changes.
glowing of a bulb -
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.
Fill in the blank
Heat is ________ by a gas during the process of condensation.
Separate the following into physical and chemical changes :
Sublimation of a solid, Decomposition of water into hydrogen and oxygen by passing electric current, Formation of clouds, Making a fruit salad from raw fruits, Dissolving carbon dioxide in water
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.
Periodic and non-periodic change
Give two examples for each of the following cases:
Physical changes are reversible.
